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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-01-10 14:48:02 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-01-10 14:48:02 -0500 |
| commit | 68c404b18f6fba404b2753622d0459c68ee128ae (patch) | |
| tree | c1ec0bb12f19d91071b461cc2831d9d3dd4c74f3 /fs/ocfs2/aops.h | |
| parent | d035c36c58dd9183ad6aa7875dea89893faedb55 (diff) | |
| parent | 6650239a4b01077e80d5a4468562756d77afaa59 (diff) | |
| download | op-kernel-dev-68c404b18f6fba404b2753622d0459c68ee128ae.zip op-kernel-dev-68c404b18f6fba404b2753622d0459c68ee128ae.tar.gz | |
Merge branch 'bugfixes' into nfs-for-2.6.38
Conflicts:
fs/nfs/nfs2xdr.c
fs/nfs/nfs3xdr.c
fs/nfs/nfs4xdr.c
Diffstat (limited to 'fs/ocfs2/aops.h')
| -rw-r--r-- | fs/ocfs2/aops.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h index 76bfdfd..eceb456 100644 --- a/fs/ocfs2/aops.h +++ b/fs/ocfs2/aops.h @@ -68,8 +68,27 @@ static inline void ocfs2_iocb_set_rw_locked(struct kiocb *iocb, int level) else clear_bit(1, (unsigned long *)&iocb->private); } + +/* + * Using a named enum representing lock types in terms of #N bit stored in + * iocb->private, which is going to be used for communication bewteen + * ocfs2_dio_end_io() and ocfs2_file_aio_write/read(). + */ +enum ocfs2_iocb_lock_bits { + OCFS2_IOCB_RW_LOCK = 0, + OCFS2_IOCB_RW_LOCK_LEVEL, + OCFS2_IOCB_SEM, + OCFS2_IOCB_NUM_LOCKS +}; + #define ocfs2_iocb_clear_rw_locked(iocb) \ - clear_bit(0, (unsigned long *)&iocb->private) + clear_bit(OCFS2_IOCB_RW_LOCK, (unsigned long *)&iocb->private) #define ocfs2_iocb_rw_locked_level(iocb) \ - test_bit(1, (unsigned long *)&iocb->private) + test_bit(OCFS2_IOCB_RW_LOCK_LEVEL, (unsigned long *)&iocb->private) +#define ocfs2_iocb_set_sem_locked(iocb) \ + set_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private) +#define ocfs2_iocb_clear_sem_locked(iocb) \ + clear_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private) +#define ocfs2_iocb_is_sem_locked(iocb) \ + test_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private) #endif /* OCFS2_FILE_H */ |
