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-rw-r--r--fs/udf/namei.c720
1 files changed, 345 insertions, 375 deletions
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 51fe307dc0ec..334d363a0903 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -32,7 +32,8 @@
#include <linux/buffer_head.h>
#include <linux/sched.h>
-static inline int udf_match(int len1, const char *name1, int len2, const char *name2)
+static inline int udf_match(int len1, const char *name1, int len2,
+ const char *name2)
{
if (len1 != len2)
return 0;
@@ -40,8 +41,8 @@ static inline int udf_match(int len1, const char *name1, int len2, const char *n
}
int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
- struct fileIdentDesc *sfi, struct udf_fileident_bh *fibh,
- uint8_t *impuse, uint8_t *fileident)
+ struct fileIdentDesc *sfi, struct udf_fileident_bh *fibh,
+ uint8_t * impuse, uint8_t * fileident)
{
uint16_t crclen = fibh->eoffset - fibh->soffset - sizeof(tag);
uint16_t crc;
@@ -51,7 +52,7 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
uint16_t liu = le16_to_cpu(cfi->lengthOfImpUse);
uint8_t lfi = cfi->lengthFileIdent;
int padlen = fibh->eoffset - fibh->soffset - liu - lfi -
- sizeof(struct fileIdentDesc);
+ sizeof(struct fileIdentDesc);
int adinicb = 0;
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
@@ -59,83 +60,86 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
offset = fibh->soffset + sizeof(struct fileIdentDesc);
- if (impuse)
- {
+ if (impuse) {
if (adinicb || (offset + liu < 0))
- memcpy((uint8_t *)sfi->impUse, impuse, liu);
+ memcpy((uint8_t *) sfi->impUse, impuse, liu);
else if (offset >= 0)
memcpy(fibh->ebh->b_data + offset, impuse, liu);
- else
- {
- memcpy((uint8_t *)sfi->impUse, impuse, -offset);
- memcpy(fibh->ebh->b_data, impuse - offset, liu + offset);
+ else {
+ memcpy((uint8_t *) sfi->impUse, impuse, -offset);
+ memcpy(fibh->ebh->b_data, impuse - offset,
+ liu + offset);
}
}
offset += liu;
- if (fileident)
- {
+ if (fileident) {
if (adinicb || (offset + lfi < 0))
- memcpy((uint8_t *)sfi->fileIdent + liu, fileident, lfi);
+ memcpy((uint8_t *) sfi->fileIdent + liu, fileident,
+ lfi);
else if (offset >= 0)
memcpy(fibh->ebh->b_data + offset, fileident, lfi);
- else
- {
- memcpy((uint8_t *)sfi->fileIdent + liu, fileident, -offset);
- memcpy(fibh->ebh->b_data, fileident - offset, lfi + offset);
+ else {
+ memcpy((uint8_t *) sfi->fileIdent + liu, fileident,
+ -offset);
+ memcpy(fibh->ebh->b_data, fileident - offset,
+ lfi + offset);
}
}
offset += lfi;
if (adinicb || (offset + padlen < 0))
- memset((uint8_t *)sfi->padding + liu + lfi, 0x00, padlen);
+ memset((uint8_t *) sfi->padding + liu + lfi, 0x00, padlen);
else if (offset >= 0)
memset(fibh->ebh->b_data + offset, 0x00, padlen);
- else
- {
- memset((uint8_t *)sfi->padding + liu + lfi, 0x00, -offset);
+ else {
+ memset((uint8_t *) sfi->padding + liu + lfi, 0x00, -offset);
memset(fibh->ebh->b_data, 0x00, padlen + offset);
}
- crc = udf_crc((uint8_t *)cfi + sizeof(tag), sizeof(struct fileIdentDesc) -
- sizeof(tag), 0);
+ crc =
+ udf_crc((uint8_t *) cfi + sizeof(tag),
+ sizeof(struct fileIdentDesc) - sizeof(tag), 0);
if (fibh->sbh == fibh->ebh)
- crc = udf_crc((uint8_t *)sfi->impUse,
- crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc);
+ crc = udf_crc((uint8_t *) sfi->impUse,
+ crclen + sizeof(tag) -
+ sizeof(struct fileIdentDesc), crc);
else if (sizeof(struct fileIdentDesc) >= -fibh->soffset)
- crc = udf_crc(fibh->ebh->b_data + sizeof(struct fileIdentDesc) + fibh->soffset,
- crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc);
- else
- {
- crc = udf_crc((uint8_t *)sfi->impUse,
- -fibh->soffset - sizeof(struct fileIdentDesc), crc);
+ crc =
+ udf_crc(fibh->ebh->b_data + sizeof(struct fileIdentDesc) +
+ fibh->soffset,
+ crclen + sizeof(tag) - sizeof(struct fileIdentDesc),
+ crc);
+ else {
+ crc = udf_crc((uint8_t *) sfi->impUse,
+ -fibh->soffset - sizeof(struct fileIdentDesc),
+ crc);
crc = udf_crc(fibh->ebh->b_data, fibh->eoffset, crc);
}
cfi->descTag.descCRC = cpu_to_le16(crc);
cfi->descTag.descCRCLength = cpu_to_le16(crclen);
- for (i=0; i<16; i++)
+ for (i = 0; i < 16; i++)
if (i != 4)
- checksum += ((uint8_t *)&cfi->descTag)[i];
+ checksum += ((uint8_t *) & cfi->descTag)[i];
cfi->descTag.tagChecksum = checksum;
if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset))
- memcpy((uint8_t *)sfi, (uint8_t *)cfi, sizeof(struct fileIdentDesc));
- else
- {
- memcpy((uint8_t *)sfi, (uint8_t *)cfi, -fibh->soffset);
- memcpy(fibh->ebh->b_data, (uint8_t *)cfi - fibh->soffset,
- sizeof(struct fileIdentDesc) + fibh->soffset);
+ memcpy((uint8_t *) sfi, (uint8_t *) cfi,
+ sizeof(struct fileIdentDesc));
+ else {
+ memcpy((uint8_t *) sfi, (uint8_t *) cfi, -fibh->soffset);
+ memcpy(fibh->ebh->b_data, (uint8_t *) cfi - fibh->soffset,
+ sizeof(struct fileIdentDesc) + fibh->soffset);
}
if (adinicb)
mark_inode_dirty(inode);
- else
- {
+ else {
if (fibh->sbh != fibh->ebh)
mark_buffer_dirty_inode(fibh->ebh, inode);
mark_buffer_dirty_inode(fibh->sbh, inode);
@@ -143,12 +147,12 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
return 0;
}
-static struct fileIdentDesc *
-udf_find_entry(struct inode *dir, struct dentry *dentry,
- struct udf_fileident_bh *fibh,
- struct fileIdentDesc *cfi)
+static struct fileIdentDesc *udf_find_entry(struct inode *dir,
+ struct dentry *dentry,
+ struct udf_fileident_bh *fibh,
+ struct fileIdentDesc *cfi)
{
- struct fileIdentDesc *fi=NULL;
+ struct fileIdentDesc *fi = NULL;
loff_t f_pos;
int block, flen;
char fname[UDF_NAME_LEN];
@@ -159,46 +163,41 @@ udf_find_entry(struct inode *dir, struct dentry *dentry,
kernel_lb_addr eloc;
uint32_t elen;
sector_t offset;
- struct extent_position epos = { NULL, 0, { 0, 0}};
+ struct extent_position epos = { NULL, 0, {0, 0} };
size = (udf_ext0_offset(dir) + dir->i_size) >> 2;
f_pos = (udf_ext0_offset(dir) >> 2);
- fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
+ fibh->soffset = fibh->eoffset =
+ (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
fibh->sbh = fibh->ebh = NULL;
else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
- &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30))
- {
+ &epos, &eloc, &elen,
+ &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
- if ((++offset << dir->i_sb->s_blocksize_bits) < elen)
- {
+ if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(short_ad);
else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
epos.offset -= sizeof(long_ad);
- }
- else
+ } else
offset = 0;
- if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block)))
- {
+ if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) {
brelse(epos.bh);
return NULL;
}
- }
- else
- {
+ } else {
brelse(epos.bh);
return NULL;
}
- while ( (f_pos < size) )
- {
- fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, &elen, &offset);
+ while ((f_pos < size)) {
+ fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc,
+ &elen, &offset);
- if (!fi)
- {
+ if (!fi) {
if (fibh->sbh != fibh->ebh)
brelse(fibh->ebh);
brelse(fibh->sbh);
@@ -209,45 +208,45 @@ udf_find_entry(struct inode *dir, struct dentry *dentry,
liu = le16_to_cpu(cfi->lengthOfImpUse);
lfi = cfi->lengthFileIdent;
- if (fibh->sbh == fibh->ebh)
- {
+ if (fibh->sbh == fibh->ebh) {
nameptr = fi->fileIdent + liu;
- }
- else
- {
+ } else {
int poffset; /* Unpaded ending offset */
- poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi;
+ poffset =
+ fibh->soffset + sizeof(struct fileIdentDesc) + liu +
+ lfi;
if (poffset >= lfi)
- nameptr = (uint8_t *)(fibh->ebh->b_data + poffset - lfi);
- else
- {
+ nameptr =
+ (uint8_t *) (fibh->ebh->b_data + poffset -
+ lfi);
+ else {
nameptr = fname;
- memcpy(nameptr, fi->fileIdent + liu, lfi - poffset);
- memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset);
+ memcpy(nameptr, fi->fileIdent + liu,
+ lfi - poffset);
+ memcpy(nameptr + lfi - poffset,
+ fibh->ebh->b_data, poffset);
}
}
- if ( (cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0 )
- {
- if ( !UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNDELETE) )
+ if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) {
+ if (!UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNDELETE))
continue;
}
-
- if ( (cfi->fileCharacteristics & FID_FILE_CHAR_HIDDEN) != 0 )
- {
- if ( !UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNHIDE) )
+
+ if ((cfi->fileCharacteristics & FID_FILE_CHAR_HIDDEN) != 0) {
+ if (!UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNHIDE))
continue;
}
if (!lfi)
continue;
- if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi)))
- {
- if (udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name))
- {
+ if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi))) {
+ if (udf_match
+ (flen, fname, dentry->d_name.len,
+ dentry->d_name.name)) {
brelse(epos.bh);
return fi;
}
@@ -293,41 +292,37 @@ udf_find_entry(struct inode *dir, struct dentry *dentry,
* Written, tested, and released.
*/
-static struct dentry *
-udf_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
+static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
+ struct nameidata *nd)
{
struct inode *inode = NULL;
struct fileIdentDesc cfi;
struct udf_fileident_bh fibh;
- if (dentry->d_name.len > UDF_NAME_LEN-2)
+ if (dentry->d_name.len > UDF_NAME_LEN - 2)
return ERR_PTR(-ENAMETOOLONG);
lock_kernel();
#ifdef UDF_RECOVERY
/* temporary shorthand for specifying files by inode number */
- if (!strncmp(dentry->d_name.name, ".B=", 3) )
- {
- kernel_lb_addr lb = { 0, simple_strtoul(dentry->d_name.name+3, NULL, 0) };
+ if (!strncmp(dentry->d_name.name, ".B=", 3)) {
+ kernel_lb_addr lb =
+ { 0, simple_strtoul(dentry->d_name.name + 3, NULL, 0) };
inode = udf_iget(dir->i_sb, lb);
- if (!inode)
- {
+ if (!inode) {
unlock_kernel();
return ERR_PTR(-EACCES);
}
- }
- else
-#endif /* UDF_RECOVERY */
+ } else
+#endif /* UDF_RECOVERY */
- if (udf_find_entry(dir, dentry, &fibh, &cfi))
- {
+ if (udf_find_entry(dir, dentry, &fibh, &cfi)) {
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
inode = udf_iget(dir->i_sb, lelb_to_cpu(cfi.icb.extLocation));
- if ( !inode )
- {
+ if (!inode) {
unlock_kernel();
return ERR_PTR(-EACCES);
}
@@ -337,13 +332,13 @@ udf_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
return NULL;
}
-static struct fileIdentDesc *
-udf_add_entry(struct inode *dir, struct dentry *dentry,
- struct udf_fileident_bh *fibh,
- struct fileIdentDesc *cfi, int *err)
+static struct fileIdentDesc *udf_add_entry(struct inode *dir,
+ struct dentry *dentry,
+ struct udf_fileident_bh *fibh,
+ struct fileIdentDesc *cfi, int *err)
{
struct super_block *sb;
- struct fileIdentDesc *fi=NULL;
+ struct fileIdentDesc *fi = NULL;
char name[UDF_NAME_LEN], fname[UDF_NAME_LEN];
int namelen;
loff_t f_pos;
@@ -357,50 +352,47 @@ udf_add_entry(struct inode *dir, struct dentry *dentry,
kernel_lb_addr eloc;
uint32_t elen;
sector_t offset;
- struct extent_position epos = { NULL, 0, { 0, 0 }};
+ struct extent_position epos = { NULL, 0, {0, 0} };
sb = dir->i_sb;
- if (dentry)
- {
- if (!dentry->d_name.len)
- {
+ if (dentry) {
+ if (!dentry->d_name.len) {
*err = -EINVAL;
return NULL;
}
- if ( !(namelen = udf_put_filename(sb, dentry->d_name.name, name, dentry->d_name.len)))
- {
+ if (!
+ (namelen =
+ udf_put_filename(sb, dentry->d_name.name, name,
+ dentry->d_name.len))) {
*err = -ENAMETOOLONG;
return NULL;
}
- }
- else
+ } else
namelen = 0;
nfidlen = (sizeof(struct fileIdentDesc) + namelen + 3) & ~3;
f_pos = (udf_ext0_offset(dir) >> 2);
- fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
+ fibh->soffset = fibh->eoffset =
+ (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
fibh->sbh = fibh->ebh = NULL;
else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
- &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30))
- {
+ &epos, &eloc, &elen,
+ &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
- if ((++offset << dir->i_sb->s_blocksize_bits) < elen)
- {
+ if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(short_ad);
else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
epos.offset -= sizeof(long_ad);
- }
- else
+ } else
offset = 0;
- if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block)))
- {
+ if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) {
brelse(epos.bh);
*err = -EIO;
return NULL;
@@ -408,21 +400,18 @@ udf_add_entry(struct inode *dir, struct dentry *dentry,
block = UDF_I_LOCATION(dir).logicalBlockNum;
- }
- else
- {
+ } else {
block = udf_get_lb_pblock(dir->i_sb, UDF_I_LOCATION(dir), 0);
fibh->sbh = fibh->ebh = NULL;
fibh->soffset = fibh->eoffset = sb->s_blocksize;
goto add;
}
- while ( (f_pos < size) )
- {
- fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, &elen, &offset);
+ while ((f_pos < size)) {
+ fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc,
+ &elen, &offset);
- if (!fi)
- {
+ if (!fi) {
if (fibh->sbh != fibh->ebh)
brelse(fibh->ebh);
brelse(fibh->sbh);
@@ -436,36 +425,38 @@ udf_add_entry(struct inode *dir, struct dentry *dentry,
if (fibh->sbh == fibh->ebh)
nameptr = fi->fileIdent + liu;
- else
- {
+ else {
int poffset; /* Unpaded ending offset */
- poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi;
+ poffset =
+ fibh->soffset + sizeof(struct fileIdentDesc) + liu +
+ lfi;
if (poffset >= lfi)
- nameptr = (char *)(fibh->ebh->b_data + poffset - lfi);
- else
- {
+ nameptr =
+ (char *)(fibh->ebh->b_data + poffset - lfi);
+ else {
nameptr = fname;
- memcpy(nameptr, fi->fileIdent + liu, lfi - poffset);
- memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset);
+ memcpy(nameptr, fi->fileIdent + liu,
+ lfi - poffset);
+ memcpy(nameptr + lfi - poffset,
+ fibh->ebh->b_data, poffset);
}
}
- if ( (cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0 )
- {
- if (((sizeof(struct fileIdentDesc) + liu + lfi + 3) & ~3) == nfidlen)
- {
+ if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) {
+ if (((sizeof(struct fileIdentDesc) + liu + lfi +
+ 3) & ~3) == nfidlen) {
brelse(epos.bh);
cfi->descTag.tagSerialNum = cpu_to_le16(1);
cfi->fileVersionNum = cpu_to_le16(1);
cfi->fileCharacteristics = 0;
cfi->lengthFileIdent = namelen;
cfi->lengthOfImpUse = cpu_to_le16(0);
- if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name))
+ if (!udf_write_fi
+ (dir, cfi, fi, fibh, NULL, name))
return fi;
- else
- {
+ else {
*err = -EIO;
return NULL;
}
@@ -476,8 +467,8 @@ udf_add_entry(struct inode *dir, struct dentry *dentry,
continue;
if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi)) &&
- udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name))
- {
+ udf_match(flen, fname, dentry->d_name.len,
+ dentry->d_name.name)) {
if (fibh->sbh != fibh->ebh)
brelse(fibh->ebh);
brelse(fibh->sbh);
@@ -487,12 +478,11 @@ udf_add_entry(struct inode *dir, struct dentry *dentry,
}
}
-add:
+ add:
f_pos += nfidlen;
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB &&
- sb->s_blocksize - fibh->eoffset < nfidlen)
- {
+ sb->s_blocksize - fibh->eoffset < nfidlen) {
brelse(epos.bh);
epos.bh = NULL;
fibh->soffset -= udf_ext0_offset(dir);
@@ -501,11 +491,14 @@ add:
if (fibh->sbh != fibh->ebh)
brelse(fibh->ebh);
brelse(fibh->sbh);
- if (!(fibh->sbh = fibh->ebh = udf_expand_dir_adinicb(dir, &block, err)))
+ if (!
+ (fibh->sbh = fibh->ebh =
+ udf_expand_dir_adinicb(dir, &block, err)))
return NULL;
epos.block = UDF_I_LOCATION(dir);
eloc.logicalBlockNum = block;
- eloc.partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum;
+ eloc.partitionReferenceNum =
+ UDF_I_LOCATION(dir).partitionReferenceNum;
elen = dir->i_sb->s_blocksize;
epos.offset = udf_file_entry_alloc_offset(dir);
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
@@ -514,89 +507,84 @@ add:
epos.offset += sizeof(long_ad);
}
- if (sb->s_blocksize - fibh->eoffset >= nfidlen)
- {
+ if (sb->s_blocksize - fibh->eoffset >= nfidlen) {
fibh->soffset = fibh->eoffset;
fibh->eoffset += nfidlen;
- if (fibh->sbh != fibh->ebh)
- {
+ if (fibh->sbh != fibh->ebh) {
brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
}
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
block = UDF_I_LOCATION(dir).logicalBlockNum;
- fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) + fibh->soffset - udf_ext0_offset(dir) + UDF_I_LENEATTR(dir));
- }
- else
- {
+ fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) +
+ fibh->soffset -
+ udf_ext0_offset(dir) +
+ UDF_I_LENEATTR(dir));
+ } else {
block = eloc.logicalBlockNum + ((elen - 1) >>
- dir->i_sb->s_blocksize_bits);
- fi = (struct fileIdentDesc *)(fibh->sbh->b_data + fibh->soffset);
+ dir->i_sb->
+ s_blocksize_bits);
+ fi = (struct fileIdentDesc *)(fibh->sbh->b_data +
+ fibh->soffset);
}
- }
- else
- {
+ } else {
fibh->soffset = fibh->eoffset - sb->s_blocksize;
fibh->eoffset += nfidlen - sb->s_blocksize;
- if (fibh->sbh != fibh->ebh)
- {
+ if (fibh->sbh != fibh->ebh) {
brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
}
block = eloc.logicalBlockNum + ((elen - 1) >>
- dir->i_sb->s_blocksize_bits);
+ dir->i_sb->s_blocksize_bits);
- if (!(fibh->ebh = udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 1, err)))
- {
+ if (!
+ (fibh->ebh =
+ udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
+ 1, err))) {
brelse(epos.bh);
brelse(fibh->sbh);
return NULL;
}
- if (!(fibh->soffset))
- {
+ if (!(fibh->soffset)) {
if (udf_next_aext(dir, &epos, &eloc, &elen, 1) ==
- (EXT_RECORDED_ALLOCATED >> 30))
- {
+ (EXT_RECORDED_ALLOCATED >> 30)) {
block = eloc.logicalBlockNum + ((elen - 1) >>
- dir->i_sb->s_blocksize_bits);
- }
- else
- block ++;
+ dir->i_sb->
+ s_blocksize_bits);
+ } else
+ block++;
brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
fi = (struct fileIdentDesc *)(fibh->sbh->b_data);
- }
- else
- {
+ } else {
fi = (struct fileIdentDesc *)
- (fibh->sbh->b_data + sb->s_blocksize + fibh->soffset);
+ (fibh->sbh->b_data + sb->s_blocksize +
+ fibh->soffset);
}
}
memset(cfi, 0, sizeof(struct fileIdentDesc));
if (UDF_SB_UDFREV(sb) >= 0x0200)
- udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block, sizeof(tag));
+ udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block,
+ sizeof(tag));
else
- udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block, sizeof(tag));
+ udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block,
+ sizeof(tag));
cfi->fileVersionNum = cpu_to_le16(1);
cfi->lengthFileIdent = namelen;
cfi->lengthOfImpUse = cpu_to_le16(0);
- if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name))
- {
+ if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) {
brelse(epos.bh);
dir->i_size += nfidlen;
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
UDF_I_LENALLOC(dir) += nfidlen;
mark_inode_dirty(dir);
return fi;
- }
- else
- {
+ } else {
brelse(epos.bh);
if (fibh->sbh != fibh->ebh)
brelse(fibh->ebh);
@@ -607,7 +595,8 @@ add:
}
static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi,
- struct udf_fileident_bh *fibh, struct fileIdentDesc *cfi)
+ struct udf_fileident_bh *fibh,
+ struct fileIdentDesc *cfi)
{
cfi->fileCharacteristics |= FID_FILE_CHAR_DELETED;
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT))
@@ -615,7 +604,8 @@ static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi,
return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL);
}
-static int udf_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd)
+static int udf_create(struct inode *dir, struct dentry *dentry, int mode,
+ struct nameidata *nd)
{
struct udf_fileident_bh fibh;
struct inode *inode;
@@ -624,8 +614,7 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, struct
lock_kernel();
inode = udf_new_inode(dir, mode, &err);
- if (!inode)
- {
+ if (!inode) {
unlock_kernel();
return err;
}
@@ -639,9 +628,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, struct
inode->i_mode = mode;
mark_inode_dirty(inode);
- if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err)))
- {
- inode->i_nlink --;
+ if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) {
+ inode->i_nlink--;
mark_inode_dirty(inode);
iput(inode);
unlock_kernel();
@@ -649,11 +637,10 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, struct
}
cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
- *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
- cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
+ *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
+ cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
mark_inode_dirty(dir);
}
if (fibh.sbh != fibh.ebh)
@@ -664,9 +651,10 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, struct
return 0;
}
-static int udf_mknod(struct inode * dir, struct dentry * dentry, int mode, dev_t rdev)
+static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
+ dev_t rdev)
{
- struct inode * inode;
+ struct inode *inode;
struct udf_fileident_bh fibh;
struct fileIdentDesc cfi, *fi;
int err;
@@ -682,9 +670,8 @@ static int udf_mknod(struct inode * dir, struct dentry * dentry, int mode, dev_t
inode->i_uid = current->fsuid;
init_special_inode(inode, mode, rdev);
- if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err)))
- {
- inode->i_nlink --;
+ if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) {
+ inode->i_nlink--;
mark_inode_dirty(inode);
iput(inode);
unlock_kernel();
@@ -692,11 +679,10 @@ static int udf_mknod(struct inode * dir, struct dentry * dentry, int mode, dev_t
}
cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
- *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
- cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
+ *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
+ cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
mark_inode_dirty(dir);
}
mark_inode_dirty(inode);
@@ -706,21 +692,21 @@ static int udf_mknod(struct inode * dir, struct dentry * dentry, int mode, dev_t
brelse(fibh.sbh);
d_instantiate(dentry, inode);
err = 0;
-out:
+ out:
unlock_kernel();
return err;
}
-static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode)
+static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
{
- struct inode * inode;
+ struct inode *inode;
struct udf_fileident_bh fibh;
struct fileIdentDesc cfi, *fi;
int err;
lock_kernel();
err = -EMLINK;
- if (dir->i_nlink >= (256<<sizeof(dir->i_nlink))-1)
+ if (dir->i_nlink >= (256 << sizeof(dir->i_nlink)) - 1)
goto out;
err = -EIO;
@@ -730,8 +716,7 @@ static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode)
inode->i_op = &udf_dir_inode_operations;
inode->i_fop = &udf_dir_operations;
- if (!(fi = udf_add_entry(inode, NULL, &fibh, &cfi, &err)))
- {
+ if (!(fi = udf_add_entry(inode, NULL, &fibh, &cfi, &err))) {
inode->i_nlink--;
mark_inode_dirty(inode);
iput(inode);
@@ -740,9 +725,10 @@ static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode)
inode->i_nlink = 2;
cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(dir));
- *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
- cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL);
- cfi.fileCharacteristics = FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT;
+ *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
+ cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL);
+ cfi.fileCharacteristics =
+ FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT;
udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL);
brelse(fibh.sbh);
inode->i_mode = S_IFDIR | mode;
@@ -750,8 +736,7 @@ static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode)
inode->i_mode |= S_ISGID;
mark_inode_dirty(inode);
- if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err)))
- {
+ if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) {
inode->i_nlink = 0;
mark_inode_dirty(inode);
iput(inode);
@@ -759,8 +744,8 @@ static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode)
}
cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
- *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
- cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
+ *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
+ cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
cfi.fileCharacteristics |= FID_FILE_CHAR_DIRECTORY;
udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
inc_nlink(dir);
@@ -770,7 +755,7 @@ static int udf_mkdir(struct inode * dir, struct dentry * dentry, int mode)
brelse(fibh.ebh);
brelse(fibh.sbh);
err = 0;
-out:
+ out:
unlock_kernel();
return err;
}
@@ -785,47 +770,41 @@ static int empty_dir(struct inode *dir)
kernel_lb_addr eloc;
uint32_t elen;
sector_t offset;
- struct extent_position epos = { NULL, 0, { 0, 0}};
+ struct extent_position epos = { NULL, 0, {0, 0} };
f_pos = (udf_ext0_offset(dir) >> 2);
- fibh.soffset = fibh.eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
+ fibh.soffset = fibh.eoffset =
+ (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
fibh.sbh = fibh.ebh = NULL;
else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
- &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30))
- {
+ &epos, &eloc, &elen,
+ &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
- if ((++offset << dir->i_sb->s_blocksize_bits) < elen)
- {
+ if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(short_ad);
else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
epos.offset -= sizeof(long_ad);
- }
- else
+ } else
offset = 0;
- if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block)))
- {
+ if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) {
brelse(epos.bh);
return 0;
}
- }
- else
- {
+ } else {
brelse(epos.bh);
return 0;
}
+ while ((f_pos < size)) {
+ fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc,
+ &elen, &offset);
- while ( (f_pos < size) )
- {
- fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset);
-
- if (!fi)
- {
+ if (!fi) {
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
@@ -833,8 +812,8 @@ static int empty_dir(struct inode *dir)
return 0;
}
- if (cfi.lengthFileIdent && (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0)
- {
+ if (cfi.lengthFileIdent
+ && (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) {
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
@@ -849,10 +828,10 @@ static int empty_dir(struct inode *dir)
return 1;
}
-static int udf_rmdir(struct inode * dir, struct dentry * dentry)
+static int udf_rmdir(struct inode *dir, struct dentry *dentry)
{
int retval;
- struct inode * inode = dentry->d_inode;
+ struct inode *inode = dentry->d_inode;
struct udf_fileident_bh fibh;
struct fileIdentDesc *fi, cfi;
kernel_lb_addr tloc;
@@ -875,27 +854,28 @@ static int udf_rmdir(struct inode * dir, struct dentry * dentry)
goto end_rmdir;
if (inode->i_nlink != 2)
udf_warning(inode->i_sb, "udf_rmdir",
- "empty directory has nlink != 2 (%d)",
- inode->i_nlink);
+ "empty directory has nlink != 2 (%d)",
+ inode->i_nlink);
clear_nlink(inode);
inode->i_size = 0;
inode_dec_link_count(dir);
- inode->i_ctime = dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);
+ inode->i_ctime = dir->i_ctime = dir->i_mtime =
+ current_fs_time(dir->i_sb);
mark_inode_dirty(dir);
-end_rmdir:
+ end_rmdir:
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
-out:
+ out:
unlock_kernel();
return retval;
}
-static int udf_unlink(struct inode * dir, struct dentry * dentry)
+static int udf_unlink(struct inode *dir, struct dentry *dentry)
{
int retval;
- struct inode * inode = dentry->d_inode;
+ struct inode *inode = dentry->d_inode;
struct udf_fileident_bh fibh;
struct fileIdentDesc *fi;
struct fileIdentDesc cfi;
@@ -912,10 +892,9 @@ static int udf_unlink(struct inode * dir, struct dentry * dentry)
if (udf_get_lb_pblock(dir->i_sb, tloc, 0) != inode->i_ino)
goto end_unlink;
- if (!inode->i_nlink)
- {
+ if (!inode->i_nlink) {
udf_debug("Deleting nonexistent file (%lu), %d\n",
- inode->i_ino, inode->i_nlink);
+ inode->i_ino, inode->i_nlink);
inode->i_nlink = 1;
}
retval = udf_delete_entry(dir, fi, &fibh, &cfi);
@@ -927,22 +906,23 @@ static int udf_unlink(struct inode * dir, struct dentry * dentry)
inode->i_ctime = dir->i_ctime;
retval = 0;
-end_unlink:
+ end_unlink:
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
-out:
+ out:
unlock_kernel();
return retval;
}
-static int udf_symlink(struct inode * dir, struct dentry * dentry, const char * symname)
+static int udf_symlink(struct inode *dir, struct dentry *dentry,
+ const char *symname)
{
- struct inode * inode;
+ struct inode *inode;
struct pathComponent *pc;
char *compstart;
struct udf_fileident_bh fibh;
- struct extent_position epos = { NULL, 0, {0, 0}};
+ struct extent_position epos = { NULL, 0, {0, 0} };
int eoffset, elen = 0;
struct fileIdentDesc *fi;
struct fileIdentDesc cfi;
@@ -960,28 +940,31 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
inode->i_data.a_ops = &udf_symlink_aops;
inode->i_op = &page_symlink_inode_operations;
- if (UDF_I_ALLOCTYPE(inode) != ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(inode) != ICBTAG_FLAG_AD_IN_ICB) {
kernel_lb_addr eloc;
uint32_t elen;
block = udf_new_block(inode->i_sb, inode,
- UDF_I_LOCATION(inode).partitionReferenceNum,
- UDF_I_LOCATION(inode).logicalBlockNum, &err);
+ UDF_I_LOCATION(inode).
+ partitionReferenceNum,
+ UDF_I_LOCATION(inode).logicalBlockNum,
+ &err);
if (!block)
goto out_no_entry;
epos.block = UDF_I_LOCATION(inode);
epos.offset = udf_file_entry_alloc_offset(inode);
epos.bh = NULL;
eloc.logicalBlockNum = block;
- eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum;
+ eloc.partitionReferenceNum =
+ UDF_I_LOCATION(inode).partitionReferenceNum;
elen = inode->i_sb->s_blocksize;
UDF_I_LENEXTENTS(inode) = elen;
udf_add_aext(inode, &epos, eloc, elen, 0);
brelse(epos.bh);
block = udf_get_pblock(inode->i_sb, block,
- UDF_I_LOCATION(inode).partitionReferenceNum, 0);
+ UDF_I_LOCATION(inode).
+ partitionReferenceNum, 0);
epos.bh = udf_tread(inode->i_sb, block);
lock_buffer(epos.bh);
memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize);
@@ -989,17 +972,14 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
unlock_buffer(epos.bh);
mark_buffer_dirty_inode(epos.bh, inode);
ea = epos.bh->b_data + udf_ext0_offset(inode);
- }
- else
+ } else
ea = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode);
eoffset = inode->i_sb->s_blocksize - udf_ext0_offset(inode);
pc = (struct pathComponent *)ea;
- if (*symname == '/')
- {
- do
- {
+ if (*symname == '/') {
+ do {
symname++;
} while (*symname == '/');
@@ -1012,8 +992,7 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
err = -ENAMETOOLONG;
- while (*symname)
- {
+ while (*symname) {
if (elen + sizeof(struct pathComponent) > eoffset)
goto out_no_entry;
@@ -1021,28 +1000,30 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
compstart = (char *)symname;
- do
- {
+ do {
symname++;
} while (*symname && *symname != '/');
pc->componentType = 5;
pc->lengthComponentIdent = 0;
pc->componentFileVersionNum = 0;
- if (compstart[0] == '.')
- {
- if ((symname-compstart) == 1)
+ if (compstart[0] == '.') {
+ if ((symname - compstart) == 1)
pc->componentType = 4;
- else if ((symname-compstart) == 2 && compstart[1] == '.')
+ else if ((symname - compstart) == 2
+ && compstart[1] == '.')
pc->componentType = 3;
}
- if (pc->componentType == 5)
- {
- if ( !(namelen = udf_put_filename(inode->i_sb, compstart, name, symname-compstart)))
+ if (pc->componentType == 5) {
+ if (!
+ (namelen =
+ udf_put_filename(inode->i_sb, compstart, name,
+ symname - compstart)))
goto out_no_entry;
- if (elen + sizeof(struct pathComponent) + namelen > eoffset)
+ if (elen + sizeof(struct pathComponent) + namelen >
+ eoffset)
goto out_no_entry;
else
pc->lengthComponentIdent = namelen;
@@ -1052,10 +1033,8 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
elen += sizeof(struct pathComponent) + pc->lengthComponentIdent;
- if (*symname)
- {
- do
- {
+ if (*symname) {
+ do {
symname++;
} while (*symname == '/');
}
@@ -1071,22 +1050,22 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
goto out_no_entry;
cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
- if (UDF_SB_LVIDBH(inode->i_sb))
- {
+ if (UDF_SB_LVIDBH(inode->i_sb)) {
struct logicalVolHeaderDesc *lvhd;
uint64_t uniqueID;
- lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse);
+ lvhd =
+ (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->
+ logicalVolContentsUse);
uniqueID = le64_to_cpu(lvhd->uniqueID);
- *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
- cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL);
+ *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
+ cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL);
if (!(++uniqueID & 0x00000000FFFFFFFFUL))
uniqueID += 16;
lvhd->uniqueID = cpu_to_le64(uniqueID);
mark_buffer_dirty(UDF_SB_LVIDBH(inode->i_sb));
}
udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
mark_inode_dirty(dir);
}
if (fibh.sbh != fibh.ebh)
@@ -1095,18 +1074,18 @@ static int udf_symlink(struct inode * dir, struct dentry * dentry, const char *
d_instantiate(dentry, inode);
err = 0;
-out:
+ out:
unlock_kernel();
return err;
-out_no_entry:
+ out_no_entry:
inode_dec_link_count(inode);
iput(inode);
goto out;
}
-static int udf_link(struct dentry * old_dentry, struct inode * dir,
- struct dentry *dentry)
+static int udf_link(struct dentry *old_dentry, struct inode *dir,
+ struct dentry *dentry)
{
struct inode *inode = old_dentry->d_inode;
struct udf_fileident_bh fibh;
@@ -1114,35 +1093,33 @@ static int udf_link(struct dentry * old_dentry, struct inode * dir,
int err;
lock_kernel();
- if (inode->i_nlink >= (256<<sizeof(inode->i_nlink))-1)
- {
+ if (inode->i_nlink >= (256 << sizeof(inode->i_nlink)) - 1) {
unlock_kernel();
return -EMLINK;
}
- if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err)))
- {
+ if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) {
unlock_kernel();
return err;
}
cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
- if (UDF_SB_LVIDBH(inode->i_sb))
- {
+ if (UDF_SB_LVIDBH(inode->i_sb)) {
struct logicalVolHeaderDesc *lvhd;
uint64_t uniqueID;
- lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse);
+ lvhd =
+ (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->
+ logicalVolContentsUse);
uniqueID = le64_to_cpu(lvhd->uniqueID);
- *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
- cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL);
+ *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
+ cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL);
if (!(++uniqueID & 0x00000000FFFFFFFFUL))
uniqueID += 16;
lvhd->uniqueID = cpu_to_le64(uniqueID);
mark_buffer_dirty(UDF_SB_LVIDBH(inode->i_sb));
}
udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
- if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
mark_inode_dirty(dir);
}
if (fibh.sbh != fibh.ebh)
@@ -1160,80 +1137,80 @@ static int udf_link(struct dentry * old_dentry, struct inode * dir,
/* Anybody can rename anything with this: the permission checks are left to the
* higher-level routines.
*/
-static int udf_rename (struct inode * old_dir, struct dentry * old_dentry,
- struct inode * new_dir, struct dentry * new_dentry)
+static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry)
{
- struct inode * old_inode = old_dentry->d_inode;
- struct inode * new_inode = new_dentry->d_inode;
+ struct inode *old_inode = old_dentry->d_inode;
+ struct inode *new_inode = new_dentry->d_inode;
struct udf_fileident_bh ofibh, nfibh;
- struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = NULL, ocfi, ncfi;
+ struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi =
+ NULL, ocfi, ncfi;
struct buffer_head *dir_bh = NULL;
int retval = -ENOENT;
kernel_lb_addr tloc;
lock_kernel();
- if ((ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi)))
- {
+ if ((ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi))) {
if (ofibh.sbh != ofibh.ebh)
brelse(ofibh.ebh);
brelse(ofibh.sbh);
}
tloc = lelb_to_cpu(ocfi.icb.extLocation);
if (!ofi || udf_get_lb_pblock(old_dir->i_sb, tloc, 0)
- != old_inode->i_ino)
+ != old_inode->i_ino)
goto end_rename;
nfi = udf_find_entry(new_dir, new_dentry, &nfibh, &ncfi);
- if (nfi)
- {
- if (!new_inode)
- {
+ if (nfi) {
+ if (!new_inode) {
if (nfibh.sbh != nfibh.ebh)
brelse(nfibh.ebh);
brelse(nfibh.sbh);
nfi = NULL;
}
}
- if (S_ISDIR(old_inode->i_mode))
- {
+ if (S_ISDIR(old_inode->i_mode)) {
uint32_t offset = udf_ext0_offset(old_inode);
- if (new_inode)
- {
+ if (new_inode) {
retval = -ENOTEMPTY;
if (!empty_dir(new_inode))
goto end_rename;
}
retval = -EIO;
- if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) {
dir_fi = udf_get_fileident(UDF_I_DATA(old_inode) -
- (UDF_I_EFE(old_inode) ?
- sizeof(struct extendedFileEntry) :
- sizeof(struct fileEntry)),
- old_inode->i_sb->s_blocksize, &offset);
- }
- else
- {
+ (UDF_I_EFE(old_inode) ?
+ sizeof(struct
+ extendedFileEntry) :
+ sizeof(struct fileEntry)),
+ old_inode->i_sb->s_blocksize,
+ &offset);
+ } else {
dir_bh = udf_bread(old_inode, 0, 0, &retval);
if (!dir_bh)
goto end_rename;
- dir_fi = udf_get_fileident(dir_bh->b_data, old_inode->i_sb->s_blocksize, &offset);
+ dir_fi =
+ udf_get_fileident(dir_bh->b_data,
+ old_inode->i_sb->s_blocksize,
+ &offset);
}
if (!dir_fi)
goto end_rename;
tloc = lelb_to_cpu(dir_fi->icb.extLocation);
if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0)
- != old_dir->i_ino)
+ != old_dir->i_ino)
goto end_rename;
retval = -EMLINK;
- if (!new_inode && new_dir->i_nlink >= (256<<sizeof(new_dir->i_nlink))-1)
+ if (!new_inode
+ && new_dir->i_nlink >=
+ (256 << sizeof(new_dir->i_nlink)) - 1)
goto end_rename;
}
- if (!nfi)
- {
- nfi = udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, &retval);
+ if (!nfi) {
+ nfi =
+ udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, &retval);
if (!nfi)
goto end_rename;
}
@@ -1257,39 +1234,33 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry,
ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi);
udf_delete_entry(old_dir, ofi, &ofibh, &ocfi);
- if (new_inode)
- {
+ if (new_inode) {
new_inode->i_ctime = current_fs_time(new_inode->i_sb);
inode_dec_link_count(new_inode);
}
old_dir->i_ctime = old_dir->i_mtime = current_fs_time(old_dir->i_sb);
mark_inode_dirty(old_dir);
- if (dir_fi)
- {
+ if (dir_fi) {
dir_fi->icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(new_dir));
udf_update_tag((char *)dir_fi, (sizeof(struct fileIdentDesc) +
- le16_to_cpu(dir_fi->lengthOfImpUse) + 3) & ~3);
- if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB)
- {
+ le16_to_cpu(dir_fi->
+ lengthOfImpUse) +
+ 3) & ~3);
+ if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) {
mark_inode_dirty(old_inode);
- }
- else
+ } else
mark_buffer_dirty_inode(dir_bh, old_inode);
inode_dec_link_count(old_dir);
- if (new_inode)
- {
+ if (new_inode) {
inode_dec_link_count(new_inode);
- }
- else
- {
+ } else {
inc_nlink(new_dir);
mark_inode_dirty(new_dir);
}
}
- if (ofi)
- {
+ if (ofi) {
if (ofibh.sbh != ofibh.ebh)
brelse(ofibh.ebh);
brelse(ofibh.sbh);
@@ -1297,10 +1268,9 @@ static int udf_rename (struct inode * old_dir, struct dentry * old_dentry,
retval = 0;
-end_rename:
+ end_rename:
brelse(dir_bh);
- if (nfi)
- {
+ if (nfi) {
if (nfibh.sbh != nfibh.ebh)
brelse(nfibh.ebh);
brelse(nfibh.sbh);
@@ -1310,13 +1280,13 @@ end_rename:
}
const struct inode_operations udf_dir_inode_operations = {
- .lookup = udf_lookup,
- .create = udf_create,
- .link = udf_link,
- .unlink = udf_unlink,
- .symlink = udf_symlink,
- .mkdir = udf_mkdir,
- .rmdir = udf_rmdir,
- .mknod = udf_mknod,
- .rename = udf_rename,
+ .lookup = udf_lookup,
+ .create = udf_create,
+ .link = udf_link,
+ .unlink = udf_unlink,
+ .symlink = udf_symlink,
+ .mkdir = udf_mkdir,
+ .rmdir = udf_rmdir,
+ .mknod = udf_mknod,
+ .rename = udf_rename,
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 20:48:34 +0100