diff options
| author | Jeff Layton <jlayton@primarydata.com> | 2015-01-16 23:05:55 +0300 |
|---|---|---|
| committer | Jeff Layton <jeff.layton@primarydata.com> | 2015-01-16 23:09:25 +0300 |
| commit | 5263e31e452fb84138b9bee061d5c06c0f359fea (patch) | |
| tree | 68726ce860d2c824f605e6ec3f2adc9187d6dc86 /fs/nfs/nfs4state.c | |
| parent | c362781cadd37858c3d8f5d18b1e9957d4671298 (diff) | |
| download | linux-5263e31e452fb84138b9bee061d5c06c0f359fea.tar.xz | |
locks: move flock locks to file_lock_context
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/nfs/nfs4state.c')
| -rw-r--r-- | fs/nfs/nfs4state.c | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 5194933ed419..65c404bf61ae 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1366,8 +1366,9 @@ static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_ struct nfs_inode *nfsi = NFS_I(inode); struct file_lock *fl; int status = 0; + struct file_lock_context *flctx = inode->i_flctx; - if (inode->i_flock == NULL) + if (inode->i_flock == NULL && flctx == NULL) return 0; /* Guard against delegation returns and new lock/unlock calls */ @@ -1375,7 +1376,7 @@ static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_ /* Protect inode->i_flock using the BKL */ spin_lock(&inode->i_lock); for (fl = inode->i_flock; fl != NULL; fl = fl->fl_next) { - if (!(fl->fl_flags & (FL_POSIX|FL_FLOCK))) + if (!(fl->fl_flags & FL_POSIX)) continue; if (nfs_file_open_context(fl->fl_file)->state != state) continue; @@ -1408,6 +1409,43 @@ static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_ } spin_lock(&inode->i_lock); } + + if (!flctx) + goto out_unlock; + + list_for_each_entry(fl, &flctx->flc_flock, fl_list) { + if (nfs_file_open_context(fl->fl_file)->state != state) + continue; + spin_unlock(&inode->i_lock); + status = ops->recover_lock(state, fl); + switch (status) { + case 0: + break; + case -ESTALE: + case -NFS4ERR_ADMIN_REVOKED: + case -NFS4ERR_STALE_STATEID: + case -NFS4ERR_BAD_STATEID: + case -NFS4ERR_EXPIRED: + case -NFS4ERR_NO_GRACE: + case -NFS4ERR_STALE_CLIENTID: + case -NFS4ERR_BADSESSION: + case -NFS4ERR_BADSLOT: + case -NFS4ERR_BAD_HIGH_SLOT: + case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION: + goto out; + default: + pr_err("NFS: %s: unhandled error %d\n", + __func__, status); + case -ENOMEM: + case -NFS4ERR_DENIED: + case -NFS4ERR_RECLAIM_BAD: + case -NFS4ERR_RECLAIM_CONFLICT: + /* kill_proc(fl->fl_pid, SIGLOST, 1); */ + status = 0; + } + spin_lock(&inode->i_lock); + } +out_unlock: spin_unlock(&inode->i_lock); out: up_write(&nfsi->rwsem); |