diff options
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/ext4.h | 2 | ||||
| -rw-r--r-- | fs/ext4/extents.c | 11 | ||||
| -rw-r--r-- | fs/ext4/file.c | 2 | ||||
| -rw-r--r-- | fs/ext4/super.c | 25 |
4 files changed, 13 insertions, 27 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 1de65f572033..0c8d97b56f34 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2065,7 +2065,7 @@ extern int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, extern void ext4_ext_truncate(struct inode *); extern void ext4_ext_init(struct super_block *); extern void ext4_ext_release(struct super_block *); -extern long ext4_fallocate(struct inode *inode, int mode, loff_t offset, +extern long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len); extern int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset, ssize_t len); diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index c4068f6abf03..63a75810b7c3 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3627,14 +3627,15 @@ static void ext4_falloc_update_inode(struct inode *inode, } /* - * preallocate space for a file. This implements ext4's fallocate inode + * preallocate space for a file. This implements ext4's fallocate file * operation, which gets called from sys_fallocate system call. * For block-mapped files, posix_fallocate should fall back to the method * of writing zeroes to the required new blocks (the same behavior which is * expected for file systems which do not support fallocate() system call). */ -long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len) +long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len) { + struct inode *inode = file->f_path.dentry->d_inode; handle_t *handle; loff_t new_size; unsigned int max_blocks; @@ -3645,7 +3646,7 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len) unsigned int credits, blkbits = inode->i_blkbits; /* We only support the FALLOC_FL_KEEP_SIZE mode */ - if (mode && (mode != FALLOC_FL_KEEP_SIZE)) + if (mode & ~FALLOC_FL_KEEP_SIZE) return -EOPNOTSUPP; /* @@ -3655,10 +3656,6 @@ long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len) if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) return -EOPNOTSUPP; - /* preallocation to directories is currently not supported */ - if (S_ISDIR(inode->i_mode)) - return -ENODEV; - map.m_lblk = offset >> blkbits; /* * We can't just convert len to max_blocks because diff --git a/fs/ext4/file.c b/fs/ext4/file.c index bb003dc9ffff..2e8322c8aa88 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -210,6 +210,7 @@ const struct file_operations ext4_file_operations = { .fsync = ext4_sync_file, .splice_read = generic_file_splice_read, .splice_write = generic_file_splice_write, + .fallocate = ext4_fallocate, }; const struct inode_operations ext4_file_inode_operations = { @@ -223,7 +224,6 @@ const struct inode_operations ext4_file_inode_operations = { .removexattr = generic_removexattr, #endif .check_acl = ext4_check_acl, - .fallocate = ext4_fallocate, .fiemap = ext4_fiemap, }; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index cb10a06775e4..48ce561fafac 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1161,7 +1161,7 @@ static int ext4_release_dquot(struct dquot *dquot); static int ext4_mark_dquot_dirty(struct dquot *dquot); static int ext4_write_info(struct super_block *sb, int type); static int ext4_quota_on(struct super_block *sb, int type, int format_id, - char *path); + struct path *path); static int ext4_quota_off(struct super_block *sb, int type); static int ext4_quota_on_mount(struct super_block *sb, int type); static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data, @@ -4558,27 +4558,20 @@ static int ext4_quota_on_mount(struct super_block *sb, int type) * Standard function to be called on quota_on */ static int ext4_quota_on(struct super_block *sb, int type, int format_id, - char *name) + struct path *path) { int err; - struct path path; if (!test_opt(sb, QUOTA)) return -EINVAL; - err = kern_path(name, LOOKUP_FOLLOW, &path); - if (err) - return err; - /* Quotafile not on the same filesystem? */ - if (path.mnt->mnt_sb != sb) { - path_put(&path); + if (path->mnt->mnt_sb != sb) return -EXDEV; - } /* Journaling quota? */ if (EXT4_SB(sb)->s_qf_names[type]) { /* Quotafile not in fs root? */ - if (path.dentry->d_parent != sb->s_root) + if (path->dentry->d_parent != sb->s_root) ext4_msg(sb, KERN_WARNING, "Quota file not on filesystem root. " "Journaled quota will not work"); @@ -4589,7 +4582,7 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id, * all updates to the file when we bypass pagecache... */ if (EXT4_SB(sb)->s_journal && - ext4_should_journal_data(path.dentry->d_inode)) { + ext4_should_journal_data(path->dentry->d_inode)) { /* * We don't need to lock updates but journal_flush() could * otherwise be livelocked... @@ -4597,15 +4590,11 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id, jbd2_journal_lock_updates(EXT4_SB(sb)->s_journal); err = jbd2_journal_flush(EXT4_SB(sb)->s_journal); jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal); - if (err) { - path_put(&path); + if (err) return err; - } } - err = dquot_quota_on_path(sb, type, format_id, &path); - path_put(&path); - return err; + return dquot_quota_on(sb, type, format_id, path); } static int ext4_quota_off(struct super_block *sb, int type) |