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author | Christoph Hellwig <hch@lst.de> | 2014-09-10 08:23:29 -0700 |
---|---|---|
committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-09-10 12:47:02 -0700 |
commit | 7c5d187581f57657de79e795602d9f1a0254c88c (patch) | |
tree | 9e316ee5e0f348dc56244461255356eb6f8d2933 /fs/nfs/callback_proc.c | |
parent | 3a3908c8b09d5ec19d543836d4f38d240ae27fe8 (diff) | |
download | op-kernel-dev-7c5d187581f57657de79e795602d9f1a0254c88c.zip op-kernel-dev-7c5d187581f57657de79e795602d9f1a0254c88c.tar.gz |
pnfs: force a layout commit when encountering busy segments during recall
Expedite layout recall processing by forcing a layout commit when
we see busy segments. Without it the layout recall might have to wait
until the VM decided to start writeback for the file, which can introduce
long delays.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/callback_proc.c')
-rw-r--r-- | fs/nfs/callback_proc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index 41db525..0d26951 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -171,6 +171,13 @@ static u32 initiate_file_draining(struct nfs_client *clp, goto out; ino = lo->plh_inode; + + spin_lock(&ino->i_lock); + pnfs_set_layout_stateid(lo, &args->cbl_stateid, true); + spin_unlock(&ino->i_lock); + + pnfs_layoutcommit_inode(ino, false); + spin_lock(&ino->i_lock); if (test_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags) || pnfs_mark_matching_lsegs_invalid(lo, &free_me_list, @@ -178,7 +185,6 @@ static u32 initiate_file_draining(struct nfs_client *clp, rv = NFS4ERR_DELAY; else rv = NFS4ERR_NOMATCHING_LAYOUT; - pnfs_set_layout_stateid(lo, &args->cbl_stateid, true); spin_unlock(&ino->i_lock); pnfs_free_lseg_list(&free_me_list); pnfs_put_layout_hdr(lo); |