android/android_kernel_samsung_sm8650
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

pNFS: LAYOUTRETURN should only update the stateid if the layout is valid

Browse Source 
If the layout was completely returned, then ignore the returned layout
stateid.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2016-07-24 12:26:34 -04:00
parent dc05973b28
commit 45fcc7bca7
2 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/nfs/nfs4proc.c
View File

@ -8130,7 +8130,7 @@ static void nfs4_layoutreturn_release(void *calldata)
pnfs_mark_matching_lsegs_invalid(lo, &freeme, &lrp->args.range, pnfs_mark_matching_lsegs_invalid(lo, &freeme, &lrp->args.range,
be32_to_cpu(lrp->args.stateid.seqid)); be32_to_cpu(lrp->args.stateid.seqid));
pnfs_mark_layout_returned_if_empty(lo); pnfs_mark_layout_returned_if_empty(lo);
if (lrp->res.lrs_present) if (lrp->res.lrs_present && pnfs_layout_is_valid(lo))
pnfs_set_layout_stateid(lo, &lrp->res.stateid, true); pnfs_set_layout_stateid(lo, &lrp->res.stateid, true);
pnfs_clear_layoutreturn_waitbit(lo); pnfs_clear_layoutreturn_waitbit(lo);
spin_unlock(&lo->plh_inode->i_lock); spin_unlock(&lo->plh_inode->i_lock);

5
fs/nfs/pnfs.h
View File

@ -375,6 +375,11 @@ static inline bool nfs_have_layout(struct inode *inode)
return NFS_I(inode)->layout != NULL; return NFS_I(inode)->layout != NULL;
} }
static inline bool pnfs_layout_is_valid(const struct pnfs_layout_hdr *lo)
{
return test_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags) == 0;
}
static inline struct nfs4_deviceid_node * static inline struct nfs4_deviceid_node *
nfs4_get_deviceid(struct nfs4_deviceid_node *d) nfs4_get_deviceid(struct nfs4_deviceid_node *d)
{ {