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authorNeilBrown <neilb@suse.de>2009-05-26 09:41:17 +1000
committerNeilBrown <neilb@suse.de>2009-05-26 09:41:17 +1000
commit2b69c83924396ad1eda36fdd267c9d2f360f5555 (patch)
tree14c01b6dd6b596859835b3f0d176bf02129d2c45
parent62e1e389f87a8839ad83b08c44691d1df8320846 (diff)
md: improve errno return when setting array_size
Instead of always returns EINVAL if anything goes wrong when setting the array size, add the option of E2BIG if the size requested is too large. This makes it easier for user-space to be sure what went wrong. Signed-off-by: NeilBrown <neilb@suse.de>
-rw-r--r--drivers/md/md.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index aa79d55875f0..58e0b02a74c2 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3683,7 +3683,7 @@ array_size_store(mddev_t *mddev, const char *buf, size_t len)
if (strict_blocks_to_sectors(buf, &sectors) < 0)
return -EINVAL;
if (mddev->pers && mddev->pers->size(mddev, 0, 0) < sectors)
- return -EINVAL;
+ return -E2BIG;
mddev->external_size = 1;
}