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| author | David Chinner <david@fromorbit.com> | 2008-10-30 17:38:26 +1100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@sgi.com> | 2008-10-30 17:38:26 +1100 |
| commit | 82fa9012458d867936d7bf130e6e14bdebc6873c (patch) | |
| tree | e2d8d7aa9a30c55b7d314df7406f1c47832340d7 /fs/xfs/xfs_mount.h | |
| parent | a7444053fb3ebd3d905e3c7a7bd5ea80a54b083a (diff) | |
| download | lwn-82fa9012458d867936d7bf130e6e14bdebc6873c.tar.gz lwn-82fa9012458d867936d7bf130e6e14bdebc6873c.zip | |
[XFS] Allocate the struct xfs_ail
Rather than embedding the struct xfs_ail in the struct xfs_mount, allocate
it during AIL initialisation. Add a back pointer to the struct xfs_ail so
that we can pass around the xfs_ail and still be able to access the
xfs_mount if need be. This is th first step involved in isolating the AIL
implementation from the surrounding filesystem code.
SGI-PV: 988143
SGI-Modid: xfs-linux-melb:xfs-kern:32346a
Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Diffstat (limited to 'fs/xfs/xfs_mount.h')
| -rw-r--r-- | fs/xfs/xfs_mount.h | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 67cf0b2bb848..287f90011ed5 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -63,6 +63,7 @@ struct xfs_extdelta; struct xfs_swapext; struct xfs_mru_cache; struct xfs_nameops; +struct xfs_ail; /* * Prototypes and functions for the Data Migration subsystem. @@ -224,18 +225,11 @@ extern void xfs_icsb_sync_counters_locked(struct xfs_mount *, int); #define xfs_icsb_sync_counters_locked(mp, flags) do { } while (0) #endif -typedef struct xfs_ail { - struct list_head xa_ail; - uint xa_gen; - struct task_struct *xa_task; - xfs_lsn_t xa_target; -} xfs_ail_t; - typedef struct xfs_mount { struct super_block *m_super; xfs_tid_t m_tid; /* next unused tid for fs */ spinlock_t m_ail_lock; /* fs AIL mutex */ - xfs_ail_t m_ail; /* fs active log item list */ + struct xfs_ail *m_ail; /* fs active log item list */ xfs_sb_t m_sb; /* copy of fs superblock */ spinlock_t m_sb_lock; /* sb counter lock */ struct xfs_buf *m_sb_bp; /* buffer for superblock */ |