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authorRussell King <rmk+kernel@armlinux.org.uk>2019-12-09 11:09:35 +0000
committerAl Viro <viro@zeniv.linux.org.uk>2020-01-20 20:12:41 -0500
commit419a6e5e82ca0bdba0cc3624d969b65ae49d959b (patch)
tree2571e9fe0242dc1517f926097e52d17e67b280c6 /fs/adfs/dir_f.c
parenta317120bf7f8306b594ee650ee14f08a0e599602 (diff)
fs/adfs: dir: add generic directory reading
Both directory formats code the mechanics of fetching the directory buffers using their own implementations. Consolidate these into one implementation. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/adfs/dir_f.c')
-rw-r--r--fs/adfs/dir_f.c24
1 files changed, 4 insertions, 20 deletions
diff --git a/fs/adfs/dir_f.c b/fs/adfs/dir_f.c
index 3c3b423577d2..027ee714f42b 100644
--- a/fs/adfs/dir_f.c
+++ b/fs/adfs/dir_f.c
@@ -126,7 +126,7 @@ static int adfs_dir_read(struct super_block *sb, u32 indaddr,
unsigned int size, struct adfs_dir *dir)
{
const unsigned int blocksize_bits = sb->s_blocksize_bits;
- int blk;
+ int ret;
/*
* Directories which are not a multiple of 2048 bytes
@@ -135,24 +135,9 @@ static int adfs_dir_read(struct super_block *sb, u32 indaddr,
if (size & 2047)
goto bad_dir;
- size >>= blocksize_bits;
-
- for (blk = 0; blk < size; blk++) {
- int phys;
-
- phys = __adfs_block_map(sb, indaddr, blk);
- if (!phys) {
- adfs_error(sb, "dir %06x has a hole at offset %d",
- indaddr, blk);
- goto release_buffers;
- }
-
- dir->bh[blk] = sb_bread(sb, phys);
- if (!dir->bh[blk])
- goto release_buffers;
-
- dir->nr_buffers += 1;
- }
+ ret = adfs_dir_read_buffers(sb, indaddr, size, dir);
+ if (ret)
+ return ret;
memcpy(&dir->dirhead, bufoff(dir->bh, 0), sizeof(dir->dirhead));
memcpy(&dir->dirtail, bufoff(dir->bh, 2007), sizeof(dir->dirtail));
@@ -172,7 +157,6 @@ static int adfs_dir_read(struct super_block *sb, u32 indaddr,
bad_dir:
adfs_error(sb, "dir %06x is corrupted", indaddr);
-release_buffers:
adfs_dir_relse(dir);
return -EIO;