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| author |   Benjamin Coddington <bcodding@redhat.com> | 2017-12-08 12:52:57 -0500 |
|---|---|---|
| committer |   Trond Myklebust <trond.myklebust@primarydata.com> | 2018-01-14 23:06:29 -0500 |
| commit | d78471d32bb60837930026e11828af596fb4bdac (patch) | |
| tree | 2737a51fd9e2cfc23afac82f9aba8361d8ed90c5 /fs/nfs/blocklayout | |
| parent | pnfs/blocklayout: Add module alias for LAYOUT4_SCSI (diff) | |
| download | linux-dev-d78471d32bb60837930026e11828af596fb4bdac.tar.xz linux-dev-d78471d32bb60837930026e11828af596fb4bdac.zip | |
pnfs/blocklayout: set PNFS_LAYOUTRETURN_ON_ERROR
If there's an error doing I/O to block device, and the client resends the
I/O to the MDS, the MDS must recall the layout from the client before
processing the I/O. Let's preempt that exchange by returning the layout
before falling back to the MDS when there's an error.
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/blocklayout')
| -rw-r--r-- | fs/nfs/blocklayout/blocklayout.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index ec110aa87634..334570888649 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -887,6 +887,7 @@ static struct pnfs_layoutdriver_type blocklayout_type = { .name = "LAYOUT_BLOCK_VOLUME", .owner = THIS_MODULE, .flags = PNFS_LAYOUTRET_ON_SETATTR | + PNFS_LAYOUTRET_ON_ERROR | PNFS_READ_WHOLE_PAGE, .read_pagelist = bl_read_pagelist, .write_pagelist = bl_write_pagelist, @@ -910,6 +911,7 @@ static struct pnfs_layoutdriver_type scsilayout_type = { .name = "LAYOUT_SCSI", .owner = THIS_MODULE, .flags = PNFS_LAYOUTRET_ON_SETATTR | + PNFS_LAYOUTRET_ON_ERROR | PNFS_READ_WHOLE_PAGE, .read_pagelist = bl_read_pagelist, .write_pagelist = bl_write_pagelist, |