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| author | Jeff Layton <jlayton@primarydata.com> | 2015-01-16 15:05:57 -0500 |
|---|---|---|
| committer | Jeff Layton <jeff.layton@primarydata.com> | 2015-01-16 16:08:49 -0500 |
| commit | 6109c85037e53443f29fd39c0de69f578a1cf285 (patch) | |
| tree | 56823d1615acbba20c858eed9d16cf443cd55872 /fs/lockd/svcsubs.c | |
| parent | a7231a97467d5a0c36f82f581c76c12c034e4b80 (diff) | |
| download | lwn-6109c85037e53443f29fd39c0de69f578a1cf285.tar.gz lwn-6109c85037e53443f29fd39c0de69f578a1cf285.zip | |
locks: add a dedicated spinlock to protect i_flctx lists
We can now add a dedicated spinlock without expanding struct inode.
Change to using that to protect the various i_flctx lists.
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/lockd/svcsubs.c')
| -rw-r--r-- | fs/lockd/svcsubs.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c index 5300bb53835f..665ef5a05183 100644 --- a/fs/lockd/svcsubs.c +++ b/fs/lockd/svcsubs.c @@ -171,7 +171,7 @@ nlm_traverse_locks(struct nlm_host *host, struct nlm_file *file, return 0; again: file->f_locks = 0; - spin_lock(&inode->i_lock); + spin_lock(&flctx->flc_lock); list_for_each_entry(fl, &flctx->flc_posix, fl_list) { if (fl->fl_lmops != &nlmsvc_lock_operations) continue; @@ -183,7 +183,7 @@ again: if (match(lockhost, host)) { struct file_lock lock = *fl; - spin_unlock(&inode->i_lock); + spin_unlock(&flctx->flc_lock); lock.fl_type = F_UNLCK; lock.fl_start = 0; lock.fl_end = OFFSET_MAX; @@ -195,7 +195,7 @@ again: goto again; } } - spin_unlock(&inode->i_lock); + spin_unlock(&flctx->flc_lock); return 0; } @@ -232,14 +232,14 @@ nlm_file_inuse(struct nlm_file *file) return 1; if (flctx && !list_empty_careful(&flctx->flc_posix)) { - spin_lock(&inode->i_lock); + spin_lock(&flctx->flc_lock); list_for_each_entry(fl, &flctx->flc_posix, fl_list) { if (fl->fl_lmops == &nlmsvc_lock_operations) { - spin_unlock(&inode->i_lock); + spin_unlock(&flctx->flc_lock); return 1; } } - spin_unlock(&inode->i_lock); + spin_unlock(&flctx->flc_lock); } file->f_locks = 0; return 0; |