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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-04-27 15:30:00 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2017-04-28 13:07:01 -0400 |
| commit | bdebfccd0ea6fc00c5ea8c832401111958bd24cf (patch) | |
| tree | 2aae88de7f66c62291edb2a18f22bf96f88d4326 | |
| parent | 88bd4f862943205183c2fc20bbba103c71e9990b (diff) | |
| download | linux-bdebfccd0ea6fc00c5ea8c832401111958bd24cf.tar.gz linux-bdebfccd0ea6fc00c5ea8c832401111958bd24cf.tar.bz2 linux-bdebfccd0ea6fc00c5ea8c832401111958bd24cf.zip | |
pNFS: Ensure we check layout validity before marking it for return
pnfs_error_mark_layout_for_return needs to check that the layout is
valid before calling pnfs_set_plh_return_info().
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
| -rw-r--r-- | fs/nfs/pnfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index eff266ea813c..e45b3ffeda08 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -2049,6 +2049,10 @@ void pnfs_error_mark_layout_for_return(struct inode *inode, bool return_now = false; spin_lock(&inode->i_lock); + if (!pnfs_layout_is_valid(lo)) { + spin_unlock(&inode->i_lock); + return; + } pnfs_set_plh_return_info(lo, range.iomode, 0); /* Block LAYOUTGET */ set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags); |