diff options
| author | Li Dongyang <[email protected]> | 2015-03-25 21:53:24 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2015-03-26 11:11:44 +0100 |
| commit | a915ffda199013a8ee2dd6a8a23b89ea45879ed3 (patch) | |
| tree | a2a2a221a7f94010ce0b5f025428e3de971afb44 | |
| parent | 502cb58e2138dea3cef0da29021528172ff9fe58 (diff) | |
staging/lustre/llite: glimpse the inode before doing fiemap
For a new inode, the i_size is 0 until a stat, which will yield
an empty fiemap result.
Fix the issue by glimpsing the size before doing fiemap.
Signed-off-by: Li Dongyang <[email protected]>
Signed-off-by: Bob Glossman <[email protected]>
Reviewed-by: Andreas Dilger <[email protected]>
Reviewed-by: Jinshan Xiong <[email protected]>
Reviewed-on: http://review.whamcloud.com/13439
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6091
Signed-off-by: Oleg Drokin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/file.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c index 6dab3baa8063..85e74d18d1c7 100644 --- a/drivers/staging/lustre/lustre/llite/file.c +++ b/drivers/staging/lustre/lustre/llite/file.c @@ -1712,6 +1712,12 @@ static int ll_do_fiemap(struct inode *inode, struct ll_user_fiemap *fiemap, fm_key.oa.o_oi = lsm->lsm_oi; fm_key.oa.o_valid = OBD_MD_FLID | OBD_MD_FLGROUP; + if (i_size_read(inode) == 0) { + rc = ll_glimpse_size(inode); + if (rc) + goto out; + } + obdo_from_inode(&fm_key.oa, inode, OBD_MD_FLSIZE); obdo_set_parent_fid(&fm_key.oa, &ll_i2info(inode)->lli_fid); /* If filesize is 0, then there would be no objects for mapping */ |