diff options
Diffstat (limited to 'fs/ceph/locks.c')
| -rw-r--r-- | fs/ceph/locks.c | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c index dd764f9c64b9..677221bd64e0 100644 --- a/fs/ceph/locks.c +++ b/fs/ceph/locks.c @@ -57,9 +57,7 @@ static void ceph_fl_release_lock(struct file_lock *fl) ci = ceph_inode(inode); if (atomic_dec_and_test(&ci->i_filelock_ref)) { /* clear error when all locks are released */ - spin_lock(&ci->i_ceph_lock); - ci->i_ceph_flags &= ~CEPH_I_ERROR_FILELOCK; - spin_unlock(&ci->i_ceph_lock); + clear_bit(CEPH_I_ERROR_FILELOCK_BIT, &ci->i_ceph_flags); } fl->fl_u.ceph.inode = NULL; iput(inode); @@ -251,6 +249,7 @@ int ceph_lock(struct file *file, int cmd, struct file_lock *fl) { struct inode *inode = file_inode(file); struct ceph_inode_info *ci = ceph_inode(inode); + struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb); struct ceph_client *cl = ceph_inode_to_client(inode); int err = 0; u16 op = CEPH_MDS_OP_SETFILELOCK; @@ -271,15 +270,17 @@ int ceph_lock(struct file *file, int cmd, struct file_lock *fl) else if (IS_SETLKW(cmd)) wait = 1; - spin_lock(&ci->i_ceph_lock); - if (ci->i_ceph_flags & CEPH_I_ERROR_FILELOCK) { - err = -EIO; - } - spin_unlock(&ci->i_ceph_lock); - if (err < 0) { + if (test_bit(CEPH_I_ERROR_FILELOCK_BIT, &ci->i_ceph_flags)) { if (op == CEPH_MDS_OP_SETFILELOCK && lock_is_unlock(fl)) posix_lock_file(file, fl, NULL); - return err; + return -EIO; + } + + /* Wait for reset to complete before acquiring new locks */ + if (op == CEPH_MDS_OP_SETFILELOCK && !lock_is_unlock(fl)) { + err = ceph_mdsc_wait_for_reset(mdsc); + if (err) + return err; } if (lock_is_read(fl)) @@ -318,6 +319,7 @@ int ceph_flock(struct file *file, int cmd, struct file_lock *fl) { struct inode *inode = file_inode(file); struct ceph_inode_info *ci = ceph_inode(inode); + struct ceph_mds_client *mdsc = ceph_sb_to_mdsc(inode->i_sb); struct ceph_client *cl = ceph_inode_to_client(inode); int err = 0; u8 wait = 0; @@ -331,15 +333,17 @@ int ceph_flock(struct file *file, int cmd, struct file_lock *fl) doutc(cl, "fl_file: %p\n", fl->c.flc_file); - spin_lock(&ci->i_ceph_lock); - if (ci->i_ceph_flags & CEPH_I_ERROR_FILELOCK) { - err = -EIO; - } - spin_unlock(&ci->i_ceph_lock); - if (err < 0) { + if (test_bit(CEPH_I_ERROR_FILELOCK_BIT, &ci->i_ceph_flags)) { if (lock_is_unlock(fl)) locks_lock_file_wait(file, fl); - return err; + return -EIO; + } + + /* Wait for reset to complete before acquiring new locks */ + if (!lock_is_unlock(fl)) { + err = ceph_mdsc_wait_for_reset(mdsc); + if (err) + return err; } if (IS_SETLKW(cmd)) |