diff options
Diffstat (limited to 'fs/fat')
| -rw-r--r-- | fs/fat/fat.h | 1 | ||||
| -rw-r--r-- | fs/fat/file.c | 49 | ||||
| -rw-r--r-- | fs/fat/inode.c | 26 |
3 files changed, 30 insertions, 46 deletions
diff --git a/fs/fat/fat.h b/fs/fat/fat.h index 27ac257..d75a77f 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 990dfae..7257752 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 7bf45ae..8300580 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, |