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| author | Christoph Hellwig <hch@lst.de> | 2021-11-29 11:21:53 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2021-12-04 08:58:53 -0800 |
| commit | cea845cdef4f5094f0471a6dbdb609c004ad8b06 (patch) | |
| tree | 5eef9e3134aa118f8489b54249cc7dc5afdfa5e7 /fs/ext2/super.c | |
| parent | c6f40468657d16e4010ef84bf32a761feb3469ea (diff) | |
| download | linux-cea845cdef4f5094f0471a6dbdb609c004ad8b06.tar.gz linux-cea845cdef4f5094f0471a6dbdb609c004ad8b06.tar.bz2 linux-cea845cdef4f5094f0471a6dbdb609c004ad8b06.zip | |
ext2: cleanup the dax handling in ext2_fill_super
Only call fs_dax_get_by_bdev once the sbi has been allocated and remove
the need for the dax_dev local variable.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20211129102203.2243509-20-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'fs/ext2/super.c')
| -rw-r--r-- | fs/ext2/super.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c index a964066a80aa..7e23482862e6 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -802,7 +802,6 @@ static unsigned long descriptor_loc(struct super_block *sb, static int ext2_fill_super(struct super_block *sb, void *data, int silent) { - struct dax_device *dax_dev = fs_dax_get_by_bdev(sb->s_bdev); struct buffer_head * bh; struct ext2_sb_info * sbi; struct ext2_super_block * es; @@ -822,17 +821,17 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) - goto failed; + return -ENOMEM; sbi->s_blockgroup_lock = kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL); if (!sbi->s_blockgroup_lock) { kfree(sbi); - goto failed; + return -ENOMEM; } sb->s_fs_info = sbi; sbi->s_sb_block = sb_block; - sbi->s_daxdev = dax_dev; + sbi->s_daxdev = fs_dax_get_by_bdev(sb->s_bdev); spin_lock_init(&sbi->s_lock); ret = -EINVAL; @@ -946,7 +945,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) blocksize = BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size); if (test_opt(sb, DAX)) { - if (!dax_dev) { + if (!sbi->s_daxdev) { ext2_msg(sb, KERN_ERR, "DAX unsupported by block device. Turning off DAX."); clear_opt(sbi->s_mount_opt, DAX); @@ -1201,11 +1200,10 @@ failed_mount_group_desc: failed_mount: brelse(bh); failed_sbi: + fs_put_dax(sbi->s_daxdev); sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); -failed: - fs_put_dax(dax_dev); return ret; } |