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| author | Ritesh Harjani <riteshh@linux.ibm.com> | 2020-05-10 08:24:52 +0200 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2020-06-04 05:16:52 +0200 |
| commit | ec8c60be96d6de74be601fbca56342efb9a1e039 (patch) | |
| tree | ca4a9d6177ee0f814d476e309e801cbb2eca6663 /fs/ext4 | |
| parent | ext4: use BIT() macro for BH_** state bits (diff) | |
| download | linux-ec8c60be96d6de74be601fbca56342efb9a1e039.tar.xz linux-ec8c60be96d6de74be601fbca56342efb9a1e039.zip | |
ext4: improve ext_debug() msg in case of block allocation failure
ext4_map_blocks() has ext_debug msg early at the start of function.
We also get ext_debug msg if we could allocate a block from
ext4_ext_map_blocks(). But there is no ext_debug() msg in case of
block allocation failure. So add one along with error code.
Also add more info in ext_debug() msg like how many blocks were allocated
v/s how many were requested in ext4_ext_map_blocks().
Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/r/1610ec2aa932396be00f9d552fe29da473ead176.1589086800.git.riteshh@linux.ibm.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/extents.c | 4 | ||||
| -rw-r--r-- | fs/ext4/inode.c | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index ff7eeb5a77ef..7b4b0c0110ac 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4246,10 +4246,10 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, newblock = ext4_mb_new_blocks(handle, &ar, &err); if (!newblock) goto out2; - ext_debug("allocate new block: goal %llu, found %llu/%u\n", - ar.goal, newblock, allocated); allocated_clusters = ar.len; ar.len = EXT4_C2B(sbi, ar.len) - offset; + ext_debug("allocate new block: goal %llu, found %llu/%u, requested %u\n", + ar.goal, newblock, ar.len, allocated); if (ar.len > allocated) ar.len = allocated; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 043ee7efce5f..0a52f98512d7 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -732,6 +732,10 @@ out_sem: return ret; } } + + if (retval < 0) + ext_debug("failed for inode %lu with err %d\n", + inode->i_ino, retval); return retval; } |