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authorJeff Layton <jlayton@redhat.com>2009-07-09 07:46:37 +0200
committerSteve French <sfrench@us.ibm.com>2009-07-10 01:05:48 +0200
commit0b8f18e358384a52c1ed7fa7129c08e7eaf86bb6 (patch)
treeba5292a38d8910c6b3a3303a3c7f88491e1708af /fs
parent[CIFS] update cifs version number (diff)
downloadlinux-0b8f18e358384a52c1ed7fa7129c08e7eaf86bb6.tar.xz
linux-0b8f18e358384a52c1ed7fa7129c08e7eaf86bb6.zip
cifs: convert cifs_get_inode_info and non-posix readdir to use cifs_iget
cifs: convert cifs_get_inode_info and non-posix readdir to use cifs_iget Rather than allocating an inode and filling it out, have cifs_get_inode_info fill out a cifs_fattr and call cifs_iget. This means a pretty hefty reorganization of cifs_get_inode_info. For the readdir codepath, add a couple of new functions for filling out cifs_fattr's from different FindFile response infolevels. Finally, remove cifs_new_inode since there are no more callers. Signed-off-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/cifsacl.c26
-rw-r--r--fs/cifs/cifsglob.h2
-rw-r--r--fs/cifs/cifsproto.h6
-rw-r--r--fs/cifs/inode.c397
-rw-r--r--fs/cifs/readdir.c350
5 files changed, 252 insertions, 529 deletions
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 1403b5d86a73..6941c22398a6 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -327,7 +327,7 @@ static void dump_ace(struct cifs_ace *pace, char *end_of_acl)
static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
struct cifs_sid *pownersid, struct cifs_sid *pgrpsid,
- struct inode *inode)
+ struct cifs_fattr *fattr)
{
int i;
int num_aces = 0;
@@ -340,7 +340,7 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
if (!pdacl) {
/* no DACL in the security descriptor, set
all the permissions for user/group/other */
- inode->i_mode |= S_IRWXUGO;
+ fattr->cf_mode |= S_IRWXUGO;
return;
}
@@ -357,7 +357,7 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
/* reset rwx permissions for user/group/other.
Also, if num_aces is 0 i.e. DACL has no ACEs,
user/group/other have no permissions */
- inode->i_mode &= ~(S_IRWXUGO);
+ fattr->cf_mode &= ~(S_IRWXUGO);
acl_base = (char *)pdacl;
acl_size = sizeof(struct cifs_acl);
@@ -379,17 +379,17 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
if (compare_sids(&(ppace[i]->sid), pownersid))
access_flags_to_mode(ppace[i]->access_req,
ppace[i]->type,
- &(inode->i_mode),
+ &fattr->cf_mode,
&user_mask);
if (compare_sids(&(ppace[i]->sid), pgrpsid))
access_flags_to_mode(ppace[i]->access_req,
ppace[i]->type,
- &(inode->i_mode),
+ &fattr->cf_mode,
&group_mask);
if (compare_sids(&(ppace[i]->sid), &sid_everyone))
access_flags_to_mode(ppace[i]->access_req,
ppace[i]->type,
- &(inode->i_mode),
+ &fattr->cf_mode,
&other_mask);
/* memcpy((void *)(&(cifscred->aces[i])),
@@ -464,7 +464,7 @@ static int parse_sid(struct cifs_sid *psid, char *end_of_acl)
/* Convert CIFS ACL to POSIX form */
static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len,
- struct inode *inode)
+ struct cifs_fattr *fattr)
{
int rc;
struct cifs_sid *owner_sid_ptr, *group_sid_ptr;
@@ -472,7 +472,7 @@ static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len,
char *end_of_acl = ((char *)pntsd) + acl_len;
__u32 dacloffset;
- if ((inode == NULL) || (pntsd == NULL))
+ if (pntsd == NULL)
return -EIO;
owner_sid_ptr = (struct cifs_sid *)((char *)pntsd +
@@ -497,7 +497,7 @@ static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len,
if (dacloffset)
parse_dacl(dacl_ptr, end_of_acl, owner_sid_ptr,
- group_sid_ptr, inode);
+ group_sid_ptr, fattr);
else
cFYI(1, ("no ACL")); /* BB grant all or default perms? */
@@ -508,7 +508,6 @@ static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len,
memcpy((void *)(&(cifscred->gsid)), (void *)group_sid_ptr,
sizeof(struct cifs_sid)); */
-
return 0;
}
@@ -671,8 +670,9 @@ static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
}
/* Translate the CIFS ACL (simlar to NTFS ACL) for a file into mode bits */
-void acl_to_uid_mode(struct cifs_sb_info *cifs_sb, struct inode *inode,
- const char *path, const __u16 *pfid)
+void
+cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, struct cifs_fattr *fattr,
+ struct inode *inode, const char *path, const __u16 *pfid)
{
struct cifs_ntsd *pntsd = NULL;
u32 acllen = 0;
@@ -687,7 +687,7 @@ void acl_to_uid_mode(struct cifs_sb_info *cifs_sb, struct inode *inode,
/* if we can retrieve the ACL, now parse Access Control Entries, ACEs */
if (pntsd)
- rc = parse_sec_desc(pntsd, acllen, inode);
+ rc = parse_sec_desc(pntsd, acllen, fattr);
if (rc)
cFYI(1, ("parse sec desc failed rc = %d", rc));
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index e6435cba8113..8bcf5a4bcded 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -479,6 +479,8 @@ struct dfs_info3_param {
*/
#define CIFS_FATTR_DFS_REFERRAL 0x1
+#define CIFS_FATTR_DELETE_PENDING 0x2
+#define CIFS_FATTR_NEED_REVAL 0x4
struct cifs_fattr {
u32 cf_flags;
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 37c11c08c529..da8fbf565991 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -102,7 +102,6 @@ extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
FILE_UNIX_BASIC_INFO *info,
struct cifs_sb_info *cifs_sb);
extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
-extern struct inode *cifs_new_inode(struct super_block *sb, __u64 *inum);
extern struct inode *cifs_iget(struct super_block *sb,
struct cifs_fattr *fattr);
@@ -113,8 +112,9 @@ extern int cifs_get_inode_info(struct inode **pinode,
extern int cifs_get_inode_info_unix(struct inode **pinode,
const unsigned char *search_path,
struct super_block *sb, int xid);
-extern void acl_to_uid_mode(struct cifs_sb_info *cifs_sb, struct inode *inode,
- const char *path, const __u16 *pfid);
+extern void cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
+ struct cifs_fattr *fattr, struct inode *inode,
+ const char *path, const __u16 *pfid);
extern int mode_to_acl(struct inode *inode, const char *path, __u64);
extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 55b616bb381e..a807397f444e 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -82,23 +82,34 @@ void
cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
{
struct cifsInodeInfo *cifs_i = CIFS_I(inode);
- unsigned long now = jiffies;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+ unsigned long oldtime = cifs_i->time;
inode->i_atime = fattr->cf_atime;
inode->i_mtime = fattr->cf_mtime;
inode->i_ctime = fattr->cf_ctime;
- inode->i_mode = fattr->cf_mode;
inode->i_rdev = fattr->cf_rdev;
inode->i_nlink = fattr->cf_nlink;
inode->i_uid = fattr->cf_uid;
inode->i_gid = fattr->cf_gid;
+ /* if dynperm is set, don't clobber existing mode */
+ if (inode->i_state & I_NEW ||
+ !(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM))
+ inode->i_mode = fattr->cf_mode;
+
cifs_i->cifsAttrs = fattr->cf_cifsattrs;
cifs_i->uniqueid = fattr->cf_uniqueid;
+ if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL)
+ cifs_i->time = 0;
+ else
+ cifs_i->time = jiffies;
+
cFYI(1, ("inode 0x%p old_time=%ld new_time=%ld", inode,
- cifs_i->time, now));
- cifs_i->time = now;
+ oldtime, cifs_i->time));
+
+ cifs_i->delete_pending = fattr->cf_flags & CIFS_FATTR_DELETE_PENDING;
/*
* Can't safely change the file size here if the client is writing to
@@ -219,49 +230,6 @@ cifs_create_dfs_fattr(struct cifs_fattr *fattr, struct super_block *sb)
fattr->cf_flags |= CIFS_FATTR_DFS_REFERRAL;
}
-/**
- * cifs_new inode - create new inode, initialize, and hash it
- * @sb - pointer to superblock
- * @inum - if valid pointer and serverino is enabled, replace i_ino with val
- *
- * Create a new inode, initialize it for CIFS and hash it. Returns the new
- * inode or NULL if one couldn't be allocated.
- *
- * If the share isn't mounted with "serverino" or inum is a NULL pointer then
- * we'll just use the inode number assigned by new_inode(). Note that this can
- * mean i_ino collisions since the i_ino assigned by new_inode is not
- * guaranteed to be unique.
- */
-struct inode *
-cifs_new_inode(struct super_block *sb, __u64 *inum)
-{
- struct inode *inode;
-
- inode = new_inode(sb);
- if (inode == NULL)
- return NULL;
-
- /*
- * BB: Is i_ino == 0 legal? Here, we assume that it is. If it isn't we
- * stop passing inum as ptr. Are there sanity checks we can use to
- * ensure that the server is really filling in that field? Also,
- * if serverino is disabled, perhaps we should be using iunique()?
- */
- if (inum && (CIFS_SB(sb)->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM))
- inode->i_ino = (unsigned long) *inum;
-
- /*
- * must set this here instead of cifs_alloc_inode since VFS will
- * clobber i_flags
- */
- if (sb->s_flags & MS_NOATIME)
- inode->i_flags |= S_NOATIME | S_NOCMTIME;
-
- insert_inode_hash(inode);
-
- return inode;
-}
-
int cifs_get_inode_info_unix(struct inode **pinode,
const unsigned char *full_path,
struct super_block *sb, int xid)
@@ -302,9 +270,9 @@ int cifs_get_inode_info_unix(struct inode **pinode,
return rc;
}
-static int decode_sfu_inode(struct inode *inode, __u64 size,
- const unsigned char *path,
- struct cifs_sb_info *cifs_sb, int xid)
+static int
+cifs_sfu_type(struct cifs_fattr *fattr, const unsigned char *path,
+ struct cifs_sb_info *cifs_sb, int xid)
{
int rc;
int oplock = 0;
@@ -316,10 +284,15 @@ static int decode_sfu_inode(struct inode *inode, __u64 size,
pbuf = buf;
- if (size == 0) {
- inode->i_mode |= S_IFIFO;
+ fattr->cf_mode &= ~S_IFMT;
+
+ if (fattr->cf_eof == 0) {
+ fattr->cf_mode |= S_IFIFO;
+ fattr->cf_dtype = DT_FIFO;
return 0;
- } else if (size < 8) {
+ } else if (fattr->cf_eof < 8) {
+ fattr->cf_mode |= S_IFREG;
+ fattr->cf_dtype = DT_REG;
return -EINVAL; /* EOPNOTSUPP? */
}
@@ -331,42 +304,46 @@ static int decode_sfu_inode(struct inode *inode, __u64 size,
if (rc == 0) {
int buf_type = CIFS_NO_BUFFER;
/* Read header */
- rc = CIFSSMBRead(xid, pTcon,
- netfid,
+ rc = CIFSSMBRead(xid, pTcon, netfid,
24 /* length */, 0 /* offset */,
&bytes_read, &pbuf, &buf_type);
if ((rc == 0) && (bytes_read >= 8)) {
if (memcmp("IntxBLK", pbuf, 8) == 0) {
cFYI(1, ("Block device"));
- inode->i_mode |= S_IFBLK;
+ fattr->cf_mode |= S_IFBLK;
+ fattr->cf_dtype = DT_BLK;
if (bytes_read == 24) {
/* we have enough to decode dev num */
__u64 mjr; /* major */
__u64 mnr; /* minor */
mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
- inode->i_rdev = MKDEV(mjr, mnr);
+ fattr->cf_rdev = MKDEV(mjr, mnr);
}
} else if (memcmp("IntxCHR", pbuf, 8) == 0) {
cFYI(1, ("Char device"));
- inode->i_mode |= S_IFCHR;
+ fattr->cf_mode |= S_IFCHR;
+ fattr->cf_dtype = DT_CHR;
if (bytes_read == 24) {
/* we have enough to decode dev num */
__u64 mjr; /* major */
__u64 mnr; /* minor */
mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
- inode->i_rdev = MKDEV(mjr, mnr);
+ fattr->cf_rdev = MKDEV(mjr, mnr);
}
} else if (memcmp("IntxLNK", pbuf, 7) == 0) {
cFYI(1, ("Symlink"));
- inode->i_mode |= S_IFLNK;
+ fattr->cf_mode |= S_IFLNK;
+ fattr->cf_dtype = DT_LNK;
} else {
- inode->i_mode |= S_IFREG; /* file? */
+ fattr->cf_mode |= S_IFREG; /* file? */
+ fattr->cf_dtype = DT_REG;
rc = -EOPNOTSUPP;
}
} else {
- inode->i_mode |= S_IFREG; /* then it is a file */
+ fattr->cf_mode |= S_IFREG; /* then it is a file */
+ fattr->cf_dtype = DT_REG;
rc = -EOPNOTSUPP; /* or some unknown SFU type */
}
CIFSSMBClose(xid, pTcon, netfid);
@@ -376,9 +353,13 @@ static int decode_sfu_inode(struct inode *inode, __u64 size,
#define SFBITS_MASK (S_ISVTX | S_ISGID | S_ISUID) /* SETFILEBITS valid bits */
-static int get_sfu_mode(struct inode *inode,
- const unsigned char *path,
- struct cifs_sb_info *cifs_sb, int xid)
+/*
+ * Fetch mode bits as provided by SFU.
+ *
+ * FIXME: Doesn't this clobber the type bit we got from cifs_sfu_type ?
+ */
+static int cifs_sfu_mode(struct cifs_fattr *fattr, const unsigned char *path,
+ struct cifs_sb_info *cifs_sb, int xid)
{
#ifdef CONFIG_CIFS_XATTR
ssize_t rc;
@@ -386,68 +367,80 @@ static int get_sfu_mode(struct inode *inode,
__u32 mode;
rc = CIFSSMBQueryEA(xid, cifs_sb->tcon, path, "SETFILEBITS",
- ea_value, 4 /* size of buf */, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ ea_value, 4 /* size of buf */, cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc < 0)
return (int)rc;
else if (rc > 3) {
mode = le32_to_cpu(*((__le32 *)ea_value));
- inode->i_mode &= ~SFBITS_MASK;
- cFYI(1, ("special bits 0%o org mode 0%o", mode, inode->i_mode));
- inode->i_mode = (mode & SFBITS_MASK) | inode->i_mode;
+ fattr->cf_mode &= ~SFBITS_MASK;
+ cFYI(1, ("special bits 0%o org mode 0%o", mode,
+ fattr->cf_mode));
+ fattr->cf_mode = (mode & SFBITS_MASK) | fattr->cf_mode;
cFYI(1, ("special mode bits 0%o", mode));
- return 0;
- } else {
- return 0;
}
+
+ return 0;
#else
return -EOPNOTSUPP;
#endif
}
-/*
- * Needed to setup inode data for the directory which is the
- * junction to the new submount (ie to setup the fake directory
- * which represents a DFS referral)
- */
-static void fill_fake_finddata(FILE_ALL_INFO *pfnd_dat,
- struct super_block *sb)
+/* Fill a cifs_fattr struct with info from FILE_ALL_INFO */
+void
+cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info,
+ struct cifs_sb_info *cifs_sb, bool adjust_tz)
{
- memset(pfnd_dat, 0, sizeof(FILE_ALL_INFO));
-
-/* __le64 pfnd_dat->AllocationSize = cpu_to_le64(0);
- __le64 pfnd_dat->EndOfFile = cpu_to_le64(0);
- __u8 pfnd_dat->DeletePending = 0;
- __u8 pfnd_data->Directory = 0;
- __le32 pfnd_dat->EASize = 0;
- __u64 pfnd_dat->IndexNumber = 0;
- __u64 pfnd_dat->IndexNumber1 = 0; */
- pfnd_dat->CreationTime =
- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
- pfnd_dat->LastAccessTime =
- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
- pfnd_dat->LastWriteTime =
- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
- pfnd_dat->ChangeTime =
- cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME));
- pfnd_dat->Attributes = cpu_to_le32(ATTR_DIRECTORY);
- pfnd_dat->NumberOfLinks = cpu_to_le32(2);
+ memset(fattr, 0, sizeof(*fattr));
+ fattr->cf_cifsattrs = le32_to_cpu(info->Attributes);
+ if (info->DeletePending)
+ fattr->cf_flags |= CIFS_FATTR_DELETE_PENDING;
+
+ if (info->LastAccessTime)
+ fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime);
+ else
+ fattr->cf_atime = CURRENT_TIME;
+
+ fattr->cf_ctime = cifs_NTtimeToUnix(info->ChangeTime);
+ fattr->cf_mtime = cifs_NTtimeToUnix(info->LastWriteTime);
+
+ if (adjust_tz) {
+ fattr->cf_ctime.tv_sec += cifs_sb->tcon->ses->server->timeAdj;
+ fattr->cf_mtime.tv_sec += cifs_sb->tcon->ses->server->timeAdj;
+ }
+
+ fattr->cf_eof = le64_to_cpu(info->EndOfFile);
+ fattr->cf_bytes = le64_to_cpu(info->AllocationSize);
+
+ if (fattr->cf_cifsattrs & ATTR_DIRECTORY) {
+ fattr->cf_mode = S_IFDIR | cifs_sb->mnt_dir_mode;
+ fattr->cf_dtype = DT_DIR;
+ } else {
+ fattr->cf_mode = S_IFREG | cifs_sb->mnt_file_mode;
+ fattr->cf_dtype = DT_REG;
+ }
+
+ /* clear write bits if ATTR_READONLY is set */
+ if (fattr->cf_cifsattrs & ATTR_READONLY)
+ fattr->cf_mode &= ~(S_IWUGO);
+
+ fattr->cf_nlink = le32_to_cpu(info->NumberOfLinks);
+
+ fattr->cf_uid = cifs_sb->mnt_uid;
+ fattr->cf_gid = cifs_sb->mnt_gid;
}
int cifs_get_inode_info(struct inode **pinode,
const unsigned char *full_path, FILE_ALL_INFO *pfindData,
struct super_block *sb, int xid, const __u16 *pfid)
{
- int rc = 0;
- __u32 attr;
- struct cifsInodeInfo *cifsInfo;
+ int rc = 0, tmprc;
struct cifsTconInfo *pTcon;
- struct inode *inode;
struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
char *buf = NULL;
bool adjustTZ = false;
- bool is_dfs_referral = false;
- umode_t default_mode;
+ struct cifs_fattr fattr;
pTcon = cifs_sb->tcon;
cFYI(1, ("Getting info on %s", full_path));
@@ -482,163 +475,82 @@ int cifs_get_inode_info(struct inode **pinode,
adjustTZ = true;
}
}
- /* dump_mem("\nQPathInfo return data",&findData, sizeof(findData)); */
- if (rc == -EREMOTE) {
- is_dfs_referral = true;
- fill_fake_finddata(pfindData, sb);
+
+ if (!rc) {
+ cifs_all_info_to_fattr(&fattr, (FILE_ALL_INFO *) pfindData,
+ cifs_sb, adjustTZ);
+ } else if (rc == -EREMOTE) {
+ cifs_create_dfs_fattr(&fattr, sb);
rc = 0;
- } else if (rc)
+ } else {
goto cgii_exit;
+ }
- attr = le32_to_cpu(pfindData->Attributes);
-
- /* get new inode */
+ /*
+ * If an inode wasn't passed in, then get the inode number
+ *
+ * Is an i_ino of zero legal? Can we use that to check if the server
+ * supports returning inode numbers? Are there other sanity checks we
+ * can use to ensure that the server is really filling in that field?
+ *
+ * We can not use the IndexNumber field by default from Windows or
+ * Samba (in ALL_INFO buf) but we can request it explicitly. The SNIA
+ * CIFS spec claims that this value is unique within the scope of a
+ * share, and the windows docs hint that it's actually unique
+ * per-machine.
+ *
+ * There may be higher info levels that work but are there Windows
+ * server or network appliances for which IndexNumber field is not
+ * guaranteed unique?
+ */
if (*pinode == NULL) {
- __u64 inode_num;
- __u64 *pinum = &inode_num;
-
- /* Is an i_ino of zero legal? Can we use that to check
- if the server supports returning inode numbers? Are
- there other sanity checks we can use to ensure that
- the server is really filling in that field? */
-
- /* We can not use the IndexNumber field by default from
- Windows or Samba (in ALL_INFO buf) but we can request
- it explicitly. It may not be unique presumably if
- the server has multiple devices mounted under one share */
-
- /* There may be higher info levels that work but are
- there Windows server or network appliances for which
- IndexNumber field is not guaranteed unique? */
-
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) {
int rc1 = 0;
rc1 = CIFSGetSrvInodeNumber(xid, pTcon,
- full_path, pinum,
+ full_path, &fattr.cf_uniqueid,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc1) {
- cFYI(1, ("GetSrvInodeNum rc %d", rc1));
- pinum = NULL;
/* BB EOPNOSUPP disable SERVER_INUM? */
+ cFYI(1, ("GetSrvInodeNum rc %d", rc1));
+ fattr.cf_uniqueid = iunique(sb, ROOT_I);
}
} else {
- pinum = NULL;
+ fattr.cf_uniqueid = iunique(sb, ROOT_I);
}
-
- *pinode = cifs_new_inode(sb, pinum);
- if (*pinode == NULL) {
- rc = -ENOMEM;
- goto cgii_exit;
- }
- }
- inode = *pinode;
- cifsInfo = CIFS_I(inode);
- cifsInfo->cifsAttrs = attr;
- cifsInfo->delete_pending = pfindData->DeletePending ? true : false;
- cFYI(1, ("Old time %ld", cifsInfo->time));
- cifsInfo->time = jiffies;
- cFYI(1, ("New time %ld", cifsInfo->time));
-
- /* blksize needs to be multiple of two. So safer to default to
- blksize and blkbits set in superblock so 2**blkbits and blksize
- will match rather than setting to:
- (pTcon->ses->server->maxBuf - MAX_CIFS_HDR_SIZE) & 0xFFFFFE00;*/
-
- /* Linux can not store file creation time so ignore it */
- if (pfindData->LastAccessTime)
- inode->i_atime = cifs_NTtimeToUnix(pfindData->LastAccessTime);
- else /* do not need to use current_fs_time - time not stored */
- inode->i_atime = CURRENT_TIME;
- inode->i_mtime = cifs_NTtimeToUnix(pfindData->LastWriteTime);
- inode->i_ctime = cifs_NTtimeToUnix(pfindData->ChangeTime);
- cFYI(DBG2, ("Attributes came in as 0x%x", attr));
- if (adjustTZ && (pTcon->ses) && (pTcon->ses->server)) {
- inode->i_ctime.tv_sec += pTcon->ses->server->timeAdj;
- inode->i_mtime.tv_sec += pTcon->ses->server->timeAdj;
- }
-
- /* get default inode mode */
- if (attr & ATTR_DIRECTORY)
- default_mode = cifs_sb->mnt_dir_mode;
- else
- default_mode = cifs_sb->mnt_file_mode;
-
- /* set permission bits */
- if (atomic_read(&cifsInfo->inUse) == 0 ||
- (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) == 0)
- inode->i_mode = default_mode;
- else {
- /* just reenable write bits if !ATTR_READONLY */
- if ((inode->i_mode & S_IWUGO) == 0 &&
- (attr & ATTR_READONLY) == 0)
- inode->i_mode |= (S_IWUGO & default_mode);
-
- inode->i_mode &= ~S_IFMT;
- }
- /* clear write bits if ATTR_READONLY is set */
- if (attr & ATTR_READONLY)
- inode->i_mode &= ~S_IWUGO;
-
- /* set inode type */
- if ((attr & ATTR_SYSTEM) &&
- (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)) {
- /* no need to fix endianness on 0 */
- if (pfindData->EndOfFile == 0)
- inode->i_mode |= S_IFIFO;
- else if (decode_sfu_inode(inode,
- le64_to_cpu(pfindData->EndOfFile),
- full_path, cifs_sb, xid))
- cFYI(1, ("unknown SFU file type\n"));
} else {
- if (attr & ATTR_DIRECTORY)
- inode->i_mode |= S_IFDIR;
- else
- inode->i_mode |= S_IFREG;
+ fattr.cf_uniqueid = CIFS_I(*pinode)->uniqueid;
}
- cifsInfo->server_eof = le64_to_cpu(pfindData->EndOfFile);
- spin_lock(&inode->i_lock);
- if (is_size_safe_to_change(cifsInfo, cifsInfo->server_eof)) {
- /* can not safely shrink the file size here if the
- client is writing to it due to potential races */
- i_size_write(inode, cifsInfo->server_eof);
-
- /* 512 bytes (2**9) is the fake blocksize that must be
- used for this calculation */
- inode->i_blocks = (512 - 1 + le64_to_cpu(
- pfindData->AllocationSize)) >> 9;
+ /* query for SFU type info if supported and needed */
+ if (fattr.cf_cifsattrs & ATTR_SYSTEM &&
+ cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
+ tmprc = cifs_sfu_type(&fattr, full_path, cifs_sb, xid);
+ if (tmprc)
+ cFYI(1, ("cifs_sfu_type failed: %d", tmprc));
}
- spin_unlock(&inode->i_lock);
- inode->i_nlink = le32_to_cpu(pfindData->NumberOfLinks);
-
- /* BB fill in uid and gid here? with help from winbind?
- or retrieve from NTFS stream extended attribute */
#ifdef CONFIG_CIFS_EXPERIMENTAL
/* fill in 0777 bits from ACL */
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
cFYI(1, ("Getting mode bits from ACL"));
- acl_to_uid_mode(cifs_sb, inode, full_path, pfid);
+ cifs_acl_to_fattr(cifs_sb, &fattr, *pinode, full_path, pfid);
}
#endif
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
- /* fill in remaining high mode bits e.g. SUID, VTX */
- get_sfu_mode(inode, full_path, cifs_sb, xid);
- } else if (atomic_read(&cifsInfo->inUse) == 0) {
- inode->i_uid = cifs_sb->mnt_uid;
- inode->i_gid = cifs_sb->mnt_gid;
- /* set so we do not keep refreshing these fields with
- bad data after user has changed them in memory */
- atomic_set(&cifsInfo->inUse, 1);
- }
-
- cifs_set_ops(inode, is_dfs_referral);
-
+ /* fill in remaining high mode bits e.g. SUID, VTX */
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)
+ cifs_sfu_mode(&fattr, full_path, cifs_sb, xid);
+ if (!*pinode) {
+ *pinode = cifs_iget(sb, &fattr);
+ if (!*pinode)
+ rc = -ENOMEM;
+ } else {
+ cifs_fattr_to_inode(*pinode, &fattr);
+ }
cgii_exit:
kfree(buf);
@@ -753,21 +665,14 @@ struct inode *cifs_root_iget(struct super_block *sb, unsigned long ino)
return ERR_PTR(-ENOMEM);
xid = GetXid();
- if (cifs_sb->tcon->unix_ext) {
+ if (cifs_sb->tcon->unix_ext)
rc = cifs_get_inode_info_unix(&inode, full_path, sb, xid);
- if (!inode)
- return ERR_PTR(-ENOMEM);
- } else {
- inode = iget_locked(sb, ino);
- if (!inode)
- return ERR_PTR(-ENOMEM);
- if (!(inode->i_state & I_NEW))
- return inode;
-
- rc = cifs_get_inode_info(&inode, full_path, NULL, inode->i_sb,
+ else
+ rc = cifs_get_inode_info(&inode, full_path, NULL, sb,
xid, NULL);
- unlock_new_inode(inode);
- }
+
+ if (!inode)
+ return ERR_PTR(-ENOMEM);
if (rc && cifs_sb->tcon->ipc) {
cFYI(1, ("ipc connection - fake read inode"));
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 231aa6953f83..f823a4a208a7 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -112,239 +112,74 @@ cifs_readdir_lookup(struct dentry *parent, struct qstr *name,
return dentry;
}
-/* Returns 1 if new inode created, 2 if both dentry and inode were */
-/* Might check in the future if inode number changed so we can rehash inode */
-static int
-construct_dentry(struct qstr *qstring, struct file *file,
- struct inode **ptmp_inode, struct dentry **pnew_dentry,
- __u64 *inum)
+static void
+cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb)
{
- struct dentry *tmp_dentry = NULL;
- struct super_block *sb = file->f_path.dentry->d_sb;
- int rc = 0;
+ fattr->cf_uid = cifs_sb->mnt_uid;
+ fattr->cf_gid = cifs_sb->mnt_gid;
- cFYI(1, ("For %s", qstring->name));
-
- tmp_dentry = d_lookup(file->f_path.dentry, qstring);
- if (tmp_dentry) {
- /* BB: overwrite old name? i.e. tmp_dentry->d_name and
- * tmp_dentry->d_name.len??
- */
- cFYI(0, ("existing dentry with inode 0x%p",
- tmp_dentry->d_inode));
- *ptmp_inode = tmp_dentry->d_inode;
- if (*ptmp_inode == NULL) {
- *ptmp_inode = cifs_new_inode(sb, inum);
- if (*ptmp_inode == NULL)
- return rc;
- rc = 1;
- }
+ if (fattr->cf_cifsattrs & ATTR_DIRECTORY) {
+ fattr->cf_mode = S_IFDIR | cifs_sb->mnt_dir_mode;
+ fattr->cf_dtype = DT_DIR;
} else {
- tmp_dentry = d_alloc(file->f_path.dentry, qstring);
- if (tmp_dentry == NULL) {
- cERROR(1, ("Failed allocating dentry"));
- *ptmp_inode = NULL;
- return rc;
- }
-
- if (CIFS_SB(sb)->tcon->nocase)
- tmp_dentry->d_op = &cifs_ci_dentry_ops;
- else
- tmp_dentry->d_op = &cifs_dentry_ops;
-
- *ptmp_inode = cifs_new_inode(sb, inum);
- if (*ptmp_inode == NULL)
- return rc;
- rc = 2;
- }
-
- tmp_dentry->d_time = jiffies;
- *pnew_dentry = tmp_dentry;
- return rc;
-}
-
-static void fill_in_inode(struct inode *tmp_inode, int new_buf_type,
- char *buf, unsigned int *pobject_type, int isNewInode)
-{
- loff_t local_size;
- struct timespec local_mtime;
-
- struct cifsInodeInfo *cifsInfo = CIFS_I(tmp_inode);
- struct cifs_sb_info *cifs_sb = CIFS_SB(tmp_inode->i_sb);
- __u32 attr;
- __u64 allocation_size;
- __u64 end_of_file;
- umode_t default_mode;
-
- /* save mtime and size */
- local_mtime = tmp_inode->i_mtime;
- local_size = tmp_inode->i_size;
-
- if (new_buf_type) {
- FILE_DIRECTORY_INFO *pfindData = (FILE_DIRECTORY_INFO *)buf;
-
- attr = le32_to_cpu(pfindData->ExtFileAttributes);
- allocation_size = le64_to_cpu(pfindData->AllocationSize);
- end_of_file = le64_to_cpu(pfindData->EndOfFile);
- tmp_inode->i_atime =
- cifs_NTtimeToUnix(pfindData->LastAccessTime);
- tmp_inode->i_mtime =
- cifs_NTtimeToUnix(pfindData->LastWriteTime);
- tmp_inode->i_ctime =
- cifs_NTtimeToUnix(pfindData->ChangeTime);
- } else { /* legacy, OS2 and DOS style */
- int offset = cifs_sb->tcon->ses->server->timeAdj;
- FIND_FILE_STANDARD_INFO *pfindData =
- (FIND_FILE_STANDARD_INFO *)buf;
-
- tmp_inode->i_mtime = cnvrtDosUnixTm(pfindData->LastWriteDate,
- pfindData->LastWriteTime,
- offset);
- tmp_inode->i_atime = cnvrtDosUnixTm(pfindData->LastAccessDate,
- pfindData->LastAccessTime,
- offset);
- tmp_inode->i_ctime = cnvrtDosUnixTm(pfindData->LastWriteDate,
- pfindData->LastWriteTime,
- offset);
- attr = le16_to_cpu(pfindData->Attributes);
- allocation_size = le32_to_cpu(pfindData->AllocationSize);
- end_of_file = le32_to_cpu(pfindData->DataSize);
- }
-
- /* Linux can not store file creation time unfortunately so ignore it */
-
- cifsInfo->cifsAttrs = attr;
-#ifdef CONFIG_CIFS_EXPERIMENTAL
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
- /* get more accurate mode via ACL - so force inode refresh */
- cifsInfo->time = 0;
- } else
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
- cifsInfo->time = jiffies;
-
- /* treat dos attribute of read-only as read-only mode bit e.g. 555? */
- /* 2767 perms - indicate mandatory locking */
- /* BB fill in uid and gid here? with help from winbind?
- or retrieve from NTFS stream extended attribute */
- if (atomic_read(&cifsInfo->inUse) == 0) {
- tmp_inode->i_uid = cifs_sb->mnt_uid;
- tmp_inode->i_gid = cifs_sb->mnt_gid;
+ fattr->cf_mode = S_IFREG | cifs_sb->mnt_file_mode;
+ fattr->cf_dtype = DT_REG;
}
- if (attr & ATTR_DIRECTORY)
- default_mode = cifs_sb->mnt_dir_mode;
- else
- default_mode = cifs_sb->mnt_file_mode;
-
- /* set initial permissions */
- if ((atomic_read(&cifsInfo->inUse) == 0) ||
- (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) == 0)
- tmp_inode->i_mode = default_mode;
- else {
- /* just reenable write bits if !ATTR_READONLY */
- if ((tmp_inode->i_mode & S_IWUGO) == 0 &&
- (attr & ATTR_READONLY) == 0)
- tmp_inode->i_mode |= (S_IWUGO & default_mode);
-
- tmp_inode->i_mode &= ~S_IFMT;
- }
-
- /* clear write bits if ATTR_READONLY is set */
- if (attr & ATTR_READONLY)
- tmp_inode->i_mode &= ~S_IWUGO;
+ if (fattr->cf_cifsattrs & ATTR_READONLY)
+ fattr->cf_mode &= ~S_IWUGO;
- /* set inode type */
- if ((attr & ATTR_SYSTEM) &&
- (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)) {
- if (end_of_file == 0) {
- tmp_inode->i_mode |= S_IFIFO;
- *pobject_type = DT_FIFO;
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL &&
+ fattr->cf_cifsattrs & ATTR_SYSTEM) {
+ if (fattr->cf_eof == 0) {
+ fattr->cf_mode &= ~S_IFMT;
+ fattr->cf_mode |= S_IFIFO;
+ fattr->cf_dtype = DT_FIFO;
} else {
/*
- * trying to get the type can be slow, so just call
- * this a regular file for now, and mark for reval
+ * trying to get the type and mode via SFU can be slow,
+ * so just call those regular files for now, and mark
+ * for reval
*/
- tmp_inode->i_mode |= S_IFREG;
- *pobject_type = DT_REG;
- cifsInfo->time = 0;
- }
- } else {
- if (attr & ATTR_DIRECTORY) {
- tmp_inode->i_mode |= S_IFDIR;
- *pobject_type = DT_DIR;
- } else {
- tmp_inode->i_mode |= S_IFREG;
- *pobject_type = DT_REG;
+ fattr->cf_flags |= CIFS_FATTR_NEED_REVAL;
}
}
+}
- /* can not fill in nlink here as in qpathinfo version and Unx search */
- if (atomic_read(&cifsInfo->inUse) == 0)
- atomic_set(&cifsInfo->inUse, 1);
+void
+cifs_dir_info_to_fattr(struct cifs_fattr *fattr, FILE_DIRECTORY_INFO *info,
+ struct cifs_sb_info *cifs_sb)
+{
+ memset(fattr, 0, sizeof(*fattr));
+ fattr->cf_cifsattrs = le32_to_cpu(info->ExtFileAttributes);
+ fattr->cf_eof = le64_to_cpu(info->EndOfFile);
+ fattr->cf_bytes = le64_to_cpu(info->AllocationSize);
+ fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime);
+ fattr->cf_ctime = cifs_NTtimeToUnix(info->ChangeTime);
+ fattr->cf_mtime = cifs_NTtimeToUnix(info->LastWriteTime);
+
+ cifs_fill_common_info(fattr, cifs_sb);
+}
- cifsInfo->server_eof = end_of_file;
- spin_lock(&tmp_inode->i_lock);
- if (is_size_safe_to_change(cifsInfo, end_of_file)) {
- /* can not safely change the file size here if the
- client is writing to it due to potential races */
- i_size_write(tmp_inode, end_of_file);
+void
+cifs_std_info_to_fattr(struct cifs_fattr *fattr, FIND_FILE_STANDARD_INFO *info,
+ struct cifs_sb_info *cifs_sb)
+{
+ int offset = cifs_sb->tcon->ses->server->timeAdj;
- /* 512 bytes (2**9) is the fake blocksize that must be used */
- /* for this calculation, even though the reported blocksize is larger */
- tmp_inode->i_blocks = (512 - 1 + allocation_size) >> 9;
- }
- spin_unlock(&tmp_inode->i_lock);
-
- if (allocation_size < end_of_file)
- cFYI(1, ("May be sparse file, allocation less than file size"));
- cFYI(1, ("File Size %ld and blocks %llu",
- (unsigned long)tmp_inode->i_size,
- (unsigned long long)tmp_inode->i_blocks));
- if (S_ISREG(tmp_inode->i_mode)) {
- cFYI(1, ("File inode"));
- tmp_inode->i_op = &cifs_file_inode_ops;
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
- tmp_inode->i_fop = &cifs_file_direct_nobrl_ops;
- else
- tmp_inode->i_fop = &cifs_file_direct_ops;
- } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
- tmp_inode->i_fop = &cifs_file_nobrl_ops;
- else
- tmp_inode->i_fop = &cifs_file_ops;
-
- if ((cifs_sb->tcon) && (cifs_sb->tcon->ses) &&
- (cifs_sb->tcon->ses->server->maxBuf <
- PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE))
- tmp_inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
- else
- tmp_inode->i_data.a_ops = &cifs_addr_ops;
-
- if (isNewInode)
- return; /* No sense invalidating pages for new inode
- since have not started caching readahead file
- data yet */
-
- if (timespec_equal(&tmp_inode->i_mtime, &local_mtime) &&
- (local_size == tmp_inode->i_size)) {
- cFYI(1, ("inode exists but unchanged"));
- } else {
- /* file may have changed on server */
- cFYI(1, ("invalidate inode, readdir detected change"));
- invalidate_remote_inode(tmp_inode);
- }
- } else if (S_ISDIR(tmp_inode->i_mode)) {
- cFYI(1, ("Directory inode"));
- tmp_inode->i_op = &cifs_dir_inode_ops;
- tmp_inode->i_fop = &cifs_dir_ops;
- } else if (S_ISLNK(tmp_inode->i_mode)) {
- cFYI(1, ("Symbolic Link inode"));
- tmp_inode->i_op = &cifs_symlink_inode_ops;
- } else {
- cFYI(1, ("Init special inode"));
- init_special_inode(tmp_inode, tmp_inode->i_mode,
- tmp_inode->i_rdev);
- }
+ memset(fattr, 0, sizeof(*fattr));
+ fattr->cf_atime = cnvrtDosUnixTm(info->LastAccessDate,
+ info->LastAccessTime, offset);
+ fattr->cf_ctime = cnvrtDosUnixTm(info->LastWriteDate,
+ info->LastWriteTime, offset);
+ fattr->cf_mtime = cnvrtDosUnixTm(info->LastWriteDate,
+ info->LastWriteTime, offset);
+
+ fattr->cf_cifsattrs = le16_to_cpu(info->Attributes);
+ fattr->cf_bytes = le32_to_cpu(info->AllocationSize);
+ fattr->cf_eof = le32_to_cpu(info->DataSize);
+
+ cifs_fill_common_info(fattr, cifs_sb);
}
/* BB eventually need to add the following helper function to
@@ -846,11 +681,10 @@ static int cifs_filldir(char *pfindEntry, struct file *file, filldir_t filldir,
int rc = 0;
struct qstr qstring;
struct cifsFileInfo *pCifsF;
- unsigned int obj_type;
- __u64 inum;
+ u64 inum;
ino_t ino;
+ struct super_block *sb;
struct cifs_sb_info *cifs_sb;
- struct inode *tmp_inode;
struct dentry *tmp_dentry;
struct cifs_fattr fattr;
@@ -870,71 +704,53 @@ static int cifs_filldir(char *pfindEntry, struct file *file, filldir_t filldir,
if (rc != 0)
return 0;
- cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
+ sb = file->f_path.dentry->d_sb;
+ cifs_sb = CIFS_SB(sb);
qstring.name = scratch_buf;
rc = cifs_get_name_from_search_buf(&qstring, pfindEntry,
pCifsF->srch_inf.info_level,
pCifsF->srch_inf.unicode, cifs_sb,
- max_len,
- &inum /* returned */);
+ max_len, &inum /* returned */);
if (rc)
return rc;
- /* only these two infolevels return valid inode numbers */
- if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_UNIX) {
+ if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_UNIX)
cifs_unix_basic_to_fattr(&fattr,
&((FILE_UNIX_INFO *) pfindEntry)->basic,
cifs_sb);
- tmp_dentry = cifs_readdir_lookup(file->f_dentry, &qstring,
- &fattr);
- obj_type = fattr.cf_dtype;
- ino = cifs_uniqueid_to_ino_t(fattr.cf_uniqueid);
- } else {
- if (pCifsF->srch_inf.info_level ==
- SMB_FIND_FILE_ID_FULL_DIR_INFO)
- rc = construct_dentry(&qstring, file, &tmp_inode,
- &tmp_dentry, &inum);
- else
- rc = construct_dentry(&qstring, file, &tmp_inode,
- &tmp_dentry, NULL);
-
- if ((tmp_inode == NULL) || (tmp_dentry == NULL)) {
- rc = -ENOMEM;
- goto out;
- }
-
- /* we pass in rc below, indicating whether it is a new inode,
- * so we can figure out whether to invalidate the inode cached
- * data if the file has changed
- */
- if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_INFO_STANDARD)
- fill_in_inode(tmp_inode, 0, pfindEntry, &obj_type, rc);
- else
- fill_in_inode(tmp_inode, 1, pfindEntry, &obj_type, rc);
+ else if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_INFO_STANDARD)
+ cifs_std_info_to_fattr(&fattr, (FIND_FILE_STANDARD_INFO *)
+ pfindEntry, cifs_sb);
+ else
+ cifs_dir_info_to_fattr(&fattr, (FILE_DIRECTORY_INFO *)
+ pfindEntry, cifs_sb);
- /* new inode - needs to be tied to dentry */
- if (rc) {
- d_instantiate(tmp_dentry, tmp_inode);
- if (rc == 2)
- d_rehash(tmp_dentry);
- }
+ /* FIXME: make _to_fattr functions fill this out */
+ if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_ID_FULL_DIR_INFO)
+ fattr.cf_uniqueid = inum;
+ else
+ fattr.cf_uniqueid = iunique(sb, ROOT_I);
- ino = cifs_uniqueid_to_ino_t(tmp_inode->i_ino);
- }
+ ino = cifs_uniqueid_to_ino_t(fattr.cf_uniqueid);
+ tmp_dentry = cifs_readdir_lookup(file->f_dentry, &qstring, &fattr);
rc = filldir(direntry, qstring.name, qstring.len, file->f_pos,
- ino, obj_type);
+ ino, fattr.cf_dtype);
+
+ /*
+ * we can not return filldir errors to the caller since they are
+ * "normal" when the stat blocksize is too small - we return remapped
+ * error instead
+ *
+ * FIXME: This looks bogus. filldir returns -EOVERFLOW in the above
+ * case already. Why should we be clobbering other errors from it?
+ */
if (rc) {
cFYI(1, ("filldir rc = %d", rc));
- /* we can not return filldir errors to the caller
- since they are "normal" when the stat blocksize
- is too small - we return remapped error instead */
rc = -EOVERFLOW;
}
-
-out:
dput(tmp_dentry);
return rc;
}