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author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-02-12 22:43:25 -0800 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-02-12 22:43:25 -0800 |
commit | d9bc125caf592b7d081021f32ce5b717efdf70c8 (patch) | |
tree | 263b7066ba22ddce21db610c0300f6eaac6f2064 /fs/jfs/jfs_incore.h | |
parent | 43d78ef2ba5bec26d0315859e8324bfc0be23766 (diff) | |
parent | ec2f9d1331f658433411c58077871e1eef4ee1b4 (diff) | |
download | op-kernel-dev-d9bc125caf592b7d081021f32ce5b717efdf70c8.zip op-kernel-dev-d9bc125caf592b7d081021f32ce5b717efdf70c8.tar.gz |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Conflicts:
net/sunrpc/auth_gss/gss_krb5_crypto.c
net/sunrpc/auth_gss/gss_spkm3_token.c
net/sunrpc/clnt.c
Merge with mainline and fix conflicts.
Diffstat (limited to 'fs/jfs/jfs_incore.h')
-rw-r--r-- | fs/jfs/jfs_incore.h | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/fs/jfs/jfs_incore.h b/fs/jfs/jfs_incore.h index 9400558..8f453ef 100644 --- a/fs/jfs/jfs_incore.h +++ b/fs/jfs/jfs_incore.h @@ -109,9 +109,11 @@ struct jfs_inode_info { #define JFS_ACL_NOT_CACHED ((void *)-1) -#define IREAD_LOCK(ip) down_read(&JFS_IP(ip)->rdwrlock) +#define IREAD_LOCK(ip, subclass) \ + down_read_nested(&JFS_IP(ip)->rdwrlock, subclass) #define IREAD_UNLOCK(ip) up_read(&JFS_IP(ip)->rdwrlock) -#define IWRITE_LOCK(ip) down_write(&JFS_IP(ip)->rdwrlock) +#define IWRITE_LOCK(ip, subclass) \ + down_write_nested(&JFS_IP(ip)->rdwrlock, subclass) #define IWRITE_UNLOCK(ip) up_write(&JFS_IP(ip)->rdwrlock) /* @@ -127,6 +129,29 @@ enum cflags { COMMIT_Synclist, /* metadata pages on group commit synclist */ }; +/* + * commit_mutex nesting subclasses: + */ +enum commit_mutex_class +{ + COMMIT_MUTEX_PARENT, + COMMIT_MUTEX_CHILD, + COMMIT_MUTEX_SECOND_PARENT, /* Renaming */ + COMMIT_MUTEX_VICTIM /* Inode being unlinked due to rename */ +}; + +/* + * rdwrlock subclasses: + * The dmap inode may be locked while a normal inode or the imap inode are + * locked. + */ +enum rdwrlock_class +{ + RDWRLOCK_NORMAL, + RDWRLOCK_IMAP, + RDWRLOCK_DMAP +}; + #define set_cflag(flag, ip) set_bit(flag, &(JFS_IP(ip)->cflag)) #define clear_cflag(flag, ip) clear_bit(flag, &(JFS_IP(ip)->cflag)) #define test_cflag(flag, ip) test_bit(flag, &(JFS_IP(ip)->cflag)) |