From: Li Dongyang <dongyang...@anu.edu.au> 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 <dongyang...@anu.edu.au> Signed-off-by: Bob Glossman <bob.gloss...@intel.com> Reviewed-by: Andreas Dilger <andreas.dil...@intel.com> Reviewed-by: Jinshan Xiong <jinshan.xi...@intel.com> Reviewed-on: http://review.whamcloud.com/13439 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6091 Signed-off-by: Oleg Drokin <oleg.dro...@intel.com> --- drivers/staging/lustre/lustre/llite/file.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c index 6dab3ba..85e74d1 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 */ -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
