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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-01-04 11:53:04 -0500
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-01-04 12:36:11 -0500
commit5c97f5de2c7cd9e2a5f71bc7c53125d9a2833ca9 (patch)
tree0846adb2196aafa70810e375beb410a9292d20d8 /fs/nfs/pnfs.c
parent50f563ef5d418127a75ca9b7116232672bbd8aaf (diff)
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NFSv4.1/pNFS: pnfs_mark_matching_lsegs_return() should set the iomode
If pnfs_mark_matching_lsegs_return() needs to mark a layout segment for return, then it must also set the return iomode. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/pnfs.c')
-rw-r--r--fs/nfs/pnfs.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 7e0f2b9a9b10..449c4782cab3 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1758,6 +1758,16 @@ out_forget_reply:
goto out;
}
+static void
+pnfs_set_plh_return_iomode(struct pnfs_layout_hdr *lo, enum pnfs_iomode iomode)
+{
+ if (lo->plh_return_iomode == iomode)
+ return;
+ if (lo->plh_return_iomode != 0)
+ iomode = IOMODE_ANY;
+ lo->plh_return_iomode = iomode;
+}
+
void
pnfs_mark_matching_lsegs_return(struct pnfs_layout_hdr *lo,
struct list_head *tmp_list,
@@ -1780,6 +1790,7 @@ pnfs_mark_matching_lsegs_return(struct pnfs_layout_hdr *lo,
lseg->pls_range.offset,
lseg->pls_range.length);
set_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags);
+ pnfs_set_plh_return_iomode(lo, return_range->iomode);
mark_lseg_invalid(lseg, tmp_list);
set_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE,
&lo->plh_flags);
@@ -1801,10 +1812,7 @@ void pnfs_error_mark_layout_for_return(struct inode *inode,
spin_lock(&inode->i_lock);
/* set failure bit so that pnfs path will be retried later */
pnfs_layout_set_fail_bit(lo, iomode);
- if (lo->plh_return_iomode == 0)
- lo->plh_return_iomode = range.iomode;
- else if (lo->plh_return_iomode != range.iomode)
- lo->plh_return_iomode = IOMODE_ANY;
+ pnfs_set_plh_return_iomode(lo, range.iomode);
/*
* mark all matching lsegs so that we are sure to have no live
* segments at hand when sending layoutreturn. See pnfs_put_lseg()