diff options
Diffstat (limited to 'fs/ceph/super.h')
| -rw-r--r-- | fs/ceph/super.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h index c68e6a045fb9..7334ee86b9e8 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -474,6 +474,32 @@ static inline struct inode *ceph_find_inode(struct super_block *sb, #define CEPH_I_CAP_DROPPED (1 << 8) /* caps were forcibly dropped */ #define CEPH_I_KICK_FLUSH (1 << 9) /* kick flushing caps */ #define CEPH_I_FLUSH_SNAPS (1 << 10) /* need flush snapss */ +#define CEPH_I_ERROR_WRITE (1 << 11) /* have seen write errors */ + +/* + * We set the ERROR_WRITE bit when we start seeing write errors on an inode + * and then clear it when they start succeeding. Note that we do a lockless + * check first, and only take the lock if it looks like it needs to be changed. + * The write submission code just takes this as a hint, so we're not too + * worried if a few slip through in either direction. + */ +static inline void ceph_set_error_write(struct ceph_inode_info *ci) +{ + if (!(READ_ONCE(ci->i_ceph_flags) & CEPH_I_ERROR_WRITE)) { + spin_lock(&ci->i_ceph_lock); + ci->i_ceph_flags |= CEPH_I_ERROR_WRITE; + spin_unlock(&ci->i_ceph_lock); + } +} + +static inline void ceph_clear_error_write(struct ceph_inode_info *ci) +{ + if (READ_ONCE(ci->i_ceph_flags) & CEPH_I_ERROR_WRITE) { + spin_lock(&ci->i_ceph_lock); + ci->i_ceph_flags &= ~CEPH_I_ERROR_WRITE; + spin_unlock(&ci->i_ceph_lock); + } +} static inline void __ceph_dir_set_complete(struct ceph_inode_info *ci, long long release_count, |