* [PATCH V2 2/2] Ext3: return ENOMEM rather than EIO if sb_getblk fails
@ 2011-01-16 5:12 Wang Shilong
0 siblings, 0 replies; 3+ messages in thread
From: Wang Shilong @ 2011-01-16 5:12 UTC (permalink / raw)
To: jack; +Cc: linux-ext4
From: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
It will be better to use ENOMEM rather than EIO, because the only
reason that sb_getblk fails is that allocation fails.
Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
---
fs/ext3/inode.c | 4 ++--
fs/ext3/resize.c | 6 +++---
fs/ext3/xattr.c | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 7338a76..eecedfd 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1084,7 +1084,7 @@ struct buffer_head *ext3_getblk(handle_t *handle, struct inode *inode,
struct buffer_head *bh;
bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
if (unlikely(!bh)) {
- *errp = -EIO;
+ *errp = -ENOMEM;
goto err;
}
if (buffer_new(&dummy)) {
@@ -2739,7 +2739,7 @@ static int __ext3_get_inode_loc(struct inode *inode,
"unable to read inode block - "
"inode=%lu, block="E3FSBLK,
inode->i_ino, block);
- return -EIO;
+ return -ENOMEM;
}
if (!buffer_uptodate(bh)) {
lock_buffer(bh);
diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c
index 704e8ce..2710565 100644
--- a/fs/ext3/resize.c
+++ b/fs/ext3/resize.c
@@ -117,7 +117,7 @@ static struct buffer_head *bclean(handle_t *handle, struct super_block *sb,
bh = sb_getblk(sb, blk);
if (unlikely(!bh))
- return ERR_PTR(-EIO);
+ return ERR_PTR(-ENOMEM);
if ((err = ext3_journal_get_write_access(handle, bh))) {
brelse(bh);
bh = ERR_PTR(err);
@@ -235,7 +235,7 @@ static int setup_new_group_blocks(struct super_block *sb,
gdb = sb_getblk(sb, block);
if (unlikely(!gdb)) {
- err = -EIO;
+ err = -ENOMEM;
goto exit_bh;
}
if ((err = ext3_journal_get_write_access(handle, gdb))) {
@@ -723,7 +723,7 @@ static void update_backups(struct super_block *sb,
bh = sb_getblk(sb, group * bpg + blk_off);
if (unlikely(!bh)) {
- err = -EIO;
+ err = -ENOMEM;
break;
}
ext3_debug("update metadata backup %#04lx\n",
diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c
index 9f57470..b1fc963 100644
--- a/fs/ext3/xattr.c
+++ b/fs/ext3/xattr.c
@@ -816,7 +816,7 @@ inserted:
if (unlikely(!new_bh)) {
getblk_failed:
ext3_free_blocks(handle, inode, block, 1);
- error = -EIO;
+ error = -ENOMEM;
goto cleanup;
}
lock_buffer(new_bh);
-- 1.7.7.6
^ permalink raw reply related [flat|nested] 3+ messages in thread* [PATCH V2 2/2] Ext3: return ENOMEM rather than EIO if sb_getblk fails
@ 2013-01-16 5:20 Wang Shilong
2013-01-15 13:30 ` Jan Kara
0 siblings, 1 reply; 3+ messages in thread
From: Wang Shilong @ 2013-01-16 5:20 UTC (permalink / raw)
To: jack; +Cc: linux-ext4
From: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
It will be better to use ENOMEM rather than EIO, because the only
reason that sb_getblk fails is that allocation fails.
Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
---
fs/ext3/inode.c | 4 ++--
fs/ext3/resize.c | 6 +++---
fs/ext3/xattr.c | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 7338a76..eecedfd 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1084,7 +1084,7 @@ struct buffer_head *ext3_getblk(handle_t *handle, struct inode *inode,
struct buffer_head *bh;
bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
if (unlikely(!bh)) {
- *errp = -EIO;
+ *errp = -ENOMEM;
goto err;
}
if (buffer_new(&dummy)) {
@@ -2739,7 +2739,7 @@ static int __ext3_get_inode_loc(struct inode *inode,
"unable to read inode block - "
"inode=%lu, block="E3FSBLK,
inode->i_ino, block);
- return -EIO;
+ return -ENOMEM;
}
if (!buffer_uptodate(bh)) {
lock_buffer(bh);
diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c
index 704e8ce..2710565 100644
--- a/fs/ext3/resize.c
+++ b/fs/ext3/resize.c
@@ -117,7 +117,7 @@ static struct buffer_head *bclean(handle_t *handle, struct super_block *sb,
bh = sb_getblk(sb, blk);
if (unlikely(!bh))
- return ERR_PTR(-EIO);
+ return ERR_PTR(-ENOMEM);
if ((err = ext3_journal_get_write_access(handle, bh))) {
brelse(bh);
bh = ERR_PTR(err);
@@ -235,7 +235,7 @@ static int setup_new_group_blocks(struct super_block *sb,
gdb = sb_getblk(sb, block);
if (unlikely(!gdb)) {
- err = -EIO;
+ err = -ENOMEM;
goto exit_bh;
}
if ((err = ext3_journal_get_write_access(handle, gdb))) {
@@ -723,7 +723,7 @@ static void update_backups(struct super_block *sb,
bh = sb_getblk(sb, group * bpg + blk_off);
if (unlikely(!bh)) {
- err = -EIO;
+ err = -ENOMEM;
break;
}
ext3_debug("update metadata backup %#04lx\n",
diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c
index 9f57470..b1fc963 100644
--- a/fs/ext3/xattr.c
+++ b/fs/ext3/xattr.c
@@ -816,7 +816,7 @@ inserted:
if (unlikely(!new_bh)) {
getblk_failed:
ext3_free_blocks(handle, inode, block, 1);
- error = -EIO;
+ error = -ENOMEM;
goto cleanup;
}
lock_buffer(new_bh);
-- 1.7.7.6
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH V2 2/2] Ext3: return ENOMEM rather than EIO if sb_getblk fails
2013-01-16 5:20 Wang Shilong
@ 2013-01-15 13:30 ` Jan Kara
0 siblings, 0 replies; 3+ messages in thread
From: Jan Kara @ 2013-01-15 13:30 UTC (permalink / raw)
To: Wang Shilong; +Cc: jack, linux-ext4
On Tue 15-01-13 21:20:01, Wang Shilong wrote:
> From: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
>
> It will be better to use ENOMEM rather than EIO, because the only
> reason that sb_getblk fails is that allocation fails.
Thanks. I've merged the patch to my tree.
Honza
>
> Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
> ---
> fs/ext3/inode.c | 4 ++--
> fs/ext3/resize.c | 6 +++---
> fs/ext3/xattr.c | 2 +-
> 3 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
> index 7338a76..eecedfd 100644
> --- a/fs/ext3/inode.c
> +++ b/fs/ext3/inode.c
> @@ -1084,7 +1084,7 @@ struct buffer_head *ext3_getblk(handle_t *handle, struct inode *inode,
> struct buffer_head *bh;
> bh = sb_getblk(inode->i_sb, dummy.b_blocknr);
> if (unlikely(!bh)) {
> - *errp = -EIO;
> + *errp = -ENOMEM;
> goto err;
> }
> if (buffer_new(&dummy)) {
> @@ -2739,7 +2739,7 @@ static int __ext3_get_inode_loc(struct inode *inode,
> "unable to read inode block - "
> "inode=%lu, block="E3FSBLK,
> inode->i_ino, block);
> - return -EIO;
> + return -ENOMEM;
> }
> if (!buffer_uptodate(bh)) {
> lock_buffer(bh);
> diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c
> index 704e8ce..2710565 100644
> --- a/fs/ext3/resize.c
> +++ b/fs/ext3/resize.c
> @@ -117,7 +117,7 @@ static struct buffer_head *bclean(handle_t *handle, struct super_block *sb,
>
> bh = sb_getblk(sb, blk);
> if (unlikely(!bh))
> - return ERR_PTR(-EIO);
> + return ERR_PTR(-ENOMEM);
> if ((err = ext3_journal_get_write_access(handle, bh))) {
> brelse(bh);
> bh = ERR_PTR(err);
> @@ -235,7 +235,7 @@ static int setup_new_group_blocks(struct super_block *sb,
>
> gdb = sb_getblk(sb, block);
> if (unlikely(!gdb)) {
> - err = -EIO;
> + err = -ENOMEM;
> goto exit_bh;
> }
> if ((err = ext3_journal_get_write_access(handle, gdb))) {
> @@ -723,7 +723,7 @@ static void update_backups(struct super_block *sb,
>
> bh = sb_getblk(sb, group * bpg + blk_off);
> if (unlikely(!bh)) {
> - err = -EIO;
> + err = -ENOMEM;
> break;
> }
> ext3_debug("update metadata backup %#04lx\n",
> diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c
> index 9f57470..b1fc963 100644
> --- a/fs/ext3/xattr.c
> +++ b/fs/ext3/xattr.c
> @@ -816,7 +816,7 @@ inserted:
> if (unlikely(!new_bh)) {
> getblk_failed:
> ext3_free_blocks(handle, inode, block, 1);
> - error = -EIO;
> + error = -ENOMEM;
> goto cleanup;
> }
> lock_buffer(new_bh);
> -- 1.7.7.6
>
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
^ permalink raw reply [flat|nested] 3+ messages in thread
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2013-01-15 13:30 ` Jan Kara
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