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authorIngo Molnar <mingo@kernel.org>2016-08-10 15:36:23 +0300
committerIngo Molnar <mingo@kernel.org>2016-08-10 15:36:23 +0300
commitfdbdfefbabefcdf3f57560163b43fdc4cf95eb2f (patch)
tree1d0c420d4eaff48cf2486f10dded8d551241ee94 /fs/nfsd/nfs4layouts.c
parent6731b0d611a1274f9e785fa0189ac2aeeabd0591 (diff)
parenta0cba2179ea4c1820fce2ee046b6ed90ecc56196 (diff)
downloadlinux-fdbdfefbabefcdf3f57560163b43fdc4cf95eb2f.tar.xz
Merge branch 'linus' into timers/urgent, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/nfsd/nfs4layouts.c')
-rw-r--r--fs/nfsd/nfs4layouts.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index 953c0755cb37..2be9602b0221 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -27,6 +27,9 @@ static const struct nfsd4_callback_ops nfsd4_cb_layout_ops;
static const struct lock_manager_operations nfsd4_layouts_lm_ops;
const struct nfsd4_layout_ops *nfsd4_layout_ops[LAYOUT_TYPE_MAX] = {
+#ifdef CONFIG_NFSD_FLEXFILELAYOUT
+ [LAYOUT_FLEX_FILES] = &ff_layout_ops,
+#endif
#ifdef CONFIG_NFSD_BLOCKLAYOUT
[LAYOUT_BLOCK_VOLUME] = &bl_layout_ops,
#endif
@@ -122,28 +125,35 @@ nfsd4_set_deviceid(struct nfsd4_deviceid *id, const struct svc_fh *fhp,
void nfsd4_setup_layout_type(struct svc_export *exp)
{
+#if defined(CONFIG_NFSD_BLOCKLAYOUT) || defined(CONFIG_NFSD_SCSILAYOUT)
struct super_block *sb = exp->ex_path.mnt->mnt_sb;
+#endif
if (!(exp->ex_flags & NFSEXP_PNFS))
return;
/*
- * Check if the file system supports exporting a block-like layout.
+ * If flex file is configured, use it by default. Otherwise
+ * check if the file system supports exporting a block-like layout.
* If the block device supports reservations prefer the SCSI layout,
* otherwise advertise the block layout.
*/
+#ifdef CONFIG_NFSD_FLEXFILELAYOUT
+ exp->ex_layout_types |= 1 << LAYOUT_FLEX_FILES;
+#endif
#ifdef CONFIG_NFSD_BLOCKLAYOUT
+ /* overwrite flex file layout selection if needed */
if (sb->s_export_op->get_uuid &&
sb->s_export_op->map_blocks &&
sb->s_export_op->commit_blocks)
- exp->ex_layout_type = LAYOUT_BLOCK_VOLUME;
+ exp->ex_layout_types |= 1 << LAYOUT_BLOCK_VOLUME;
#endif
#ifdef CONFIG_NFSD_SCSILAYOUT
/* overwrite block layout selection if needed */
if (sb->s_export_op->map_blocks &&
sb->s_export_op->commit_blocks &&
sb->s_bdev && sb->s_bdev->bd_disk->fops->pr_ops)
- exp->ex_layout_type = LAYOUT_SCSI;
+ exp->ex_layout_types |= 1 << LAYOUT_SCSI;
#endif
}