summaryrefslogtreecommitdiffstats
path: root/fs/fat
diff options
context:
space:
mode:
Diffstat (limited to 'fs/fat')
-rw-r--r--fs/fat/fat.h1
-rw-r--r--fs/fat/file.c49
-rw-r--r--fs/fat/inode.c26
3 files changed, 30 insertions, 46 deletions
diff --git a/fs/fat/fat.h b/fs/fat/fat.h
index 27ac25725954..d75a77f85c28 100644
--- a/fs/fat/fat.h
+++ b/fs/fat/fat.h
@@ -306,7 +306,6 @@ extern long fat_generic_ioctl(struct file *filp, unsigned int cmd,
extern const struct file_operations fat_file_operations;
extern const struct inode_operations fat_file_inode_operations;
extern int fat_setattr(struct dentry * dentry, struct iattr * attr);
-extern int fat_setsize(struct inode *inode, loff_t offset);
extern void fat_truncate_blocks(struct inode *inode, loff_t offset);
extern int fat_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat);
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 990dfae022e5..7257752b6d5d 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -364,18 +364,6 @@ static int fat_allow_set_time(struct msdos_sb_info *sbi, struct inode *inode)
return 0;
}
-int fat_setsize(struct inode *inode, loff_t offset)
-{
- int error;
-
- error = simple_setsize(inode, offset);
- if (error)
- return error;
- fat_truncate_blocks(inode, offset);
-
- return error;
-}
-
#define TIMES_SET_FLAGS (ATTR_MTIME_SET | ATTR_ATIME_SET | ATTR_TIMES_SET)
/* valid file mode bits */
#define FAT_VALID_MODE (S_IFREG | S_IFDIR | S_IRWXUGO)
@@ -387,21 +375,6 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
unsigned int ia_valid;
int error;
- /*
- * Expand the file. Since inode_setattr() updates ->i_size
- * before calling the ->truncate(), but FAT needs to fill the
- * hole before it. XXX: this is no longer true with new truncate
- * sequence.
- */
- if (attr->ia_valid & ATTR_SIZE) {
- if (attr->ia_size > inode->i_size) {
- error = fat_cont_expand(inode, attr->ia_size);
- if (error || attr->ia_valid == ATTR_SIZE)
- goto out;
- attr->ia_valid &= ~ATTR_SIZE;
- }
- }
-
/* Check for setting the inode time. */
ia_valid = attr->ia_valid;
if (ia_valid & TIMES_SET_FLAGS) {
@@ -417,6 +390,21 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
goto out;
}
+ /*
+ * Expand the file. Since inode_setattr() updates ->i_size
+ * before calling the ->truncate(), but FAT needs to fill the
+ * hole before it. XXX: this is no longer true with new truncate
+ * sequence.
+ */
+ if (attr->ia_valid & ATTR_SIZE) {
+ if (attr->ia_size > inode->i_size) {
+ error = fat_cont_expand(inode, attr->ia_size);
+ if (error || attr->ia_valid == ATTR_SIZE)
+ goto out;
+ attr->ia_valid &= ~ATTR_SIZE;
+ }
+ }
+
if (((attr->ia_valid & ATTR_UID) &&
(attr->ia_uid != sbi->options.fs_uid)) ||
((attr->ia_valid & ATTR_GID) &&
@@ -441,12 +429,11 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
}
if (attr->ia_valid & ATTR_SIZE) {
- error = fat_setsize(inode, attr->ia_size);
- if (error)
- goto out;
+ truncate_setsize(inode, attr->ia_size);
+ fat_truncate_blocks(inode, attr->ia_size);
}
- generic_setattr(inode, attr);
+ setattr_copy(inode, attr);
mark_inode_dirty(inode);
out:
return error;
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 7bf45aee56d7..830058057d33 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -159,7 +159,7 @@ static int fat_write_begin(struct file *file, struct address_space *mapping,
int err;
*pagep = NULL;
- err = cont_write_begin_newtrunc(file, mapping, pos, len, flags,
+ err = cont_write_begin(file, mapping, pos, len, flags,
pagep, fsdata, fat_get_block,
&MSDOS_I(mapping->host)->mmu_private);
if (err < 0)
@@ -212,8 +212,8 @@ static ssize_t fat_direct_IO(int rw, struct kiocb *iocb,
* FAT need to use the DIO_LOCKING for avoiding the race
* condition of fat_get_block() and ->truncate().
*/
- ret = blockdev_direct_IO_newtrunc(rw, iocb, inode, inode->i_sb->s_bdev,
- iov, offset, nr_segs, fat_get_block, NULL);
+ ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev,
+ iov, offset, nr_segs, fat_get_block, NULL);
if (ret < 0 && (rw & WRITE))
fat_write_failed(mapping, offset + iov_length(iov, nr_segs));
@@ -263,7 +263,7 @@ static const struct address_space_operations fat_aops = {
* check if the location is still valid and retry if it
* isn't. Otherwise we do changes.
* 5. Spinlock is used to protect hash/unhash/location check/lookup
- * 6. fat_clear_inode() unhashes the F-d-c entry.
+ * 6. fat_evict_inode() unhashes the F-d-c entry.
* 7. lookup() and readdir() do igrab() if they find a F-d-c entry
* and consider negative result as cache miss.
*/
@@ -448,16 +448,15 @@ out:
EXPORT_SYMBOL_GPL(fat_build_inode);
-static void fat_delete_inode(struct inode *inode)
+static void fat_evict_inode(struct inode *inode)
{
truncate_inode_pages(&inode->i_data, 0);
- inode->i_size = 0;
- fat_truncate_blocks(inode, 0);
- clear_inode(inode);
-}
-
-static void fat_clear_inode(struct inode *inode)
-{
+ if (!inode->i_nlink) {
+ inode->i_size = 0;
+ fat_truncate_blocks(inode, 0);
+ }
+ invalidate_inode_buffers(inode);
+ end_writeback(inode);
fat_cache_inval_inode(inode);
fat_detach(inode);
}
@@ -674,12 +673,11 @@ static const struct super_operations fat_sops = {
.alloc_inode = fat_alloc_inode,
.destroy_inode = fat_destroy_inode,
.write_inode = fat_write_inode,
- .delete_inode = fat_delete_inode,
+ .evict_inode = fat_evict_inode,
.put_super = fat_put_super,
.write_super = fat_write_super,
.sync_fs = fat_sync_fs,
.statfs = fat_statfs,
- .clear_inode = fat_clear_inode,
.remount_fs = fat_remount,
.show_options = fat_show_options,