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authorChristoph Hellwig <hch@infradead.org>2008-05-20 15:10:52 +1000
committerNiv Sardi <xaiki@debian.org>2008-07-28 16:58:29 +1000
commitc962fb7902669a48a2c613649c1f03865c0ffd1e (patch)
tree370bdf7273c92a2bcb230680c6b0bfa4928b11e8 /fs/xfs/xfs_mount.c
parentbdd907bab78419f34113c51470192945741b839e (diff)
downloadop-kernel-dev-c962fb7902669a48a2c613649c1f03865c0ffd1e.zip
op-kernel-dev-c962fb7902669a48a2c613649c1f03865c0ffd1e.tar.gz
[XFS] kill xfs_mount_init
xfs_mount_init is inlined into xfs_fs_fill_super and allocation switched to kzalloc. Plug a leak of the mount structure for most early mount failures. Move xfs_icsb_init_counters to as late as possible in the mount path and make sure to undo it so that no stale hotplug cpu notifiers are left around on mount failures. SGI-PV: 981951 SGI-Modid: xfs-linux-melb:xfs-kern:31196a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_mount.c')
-rw-r--r--fs/xfs/xfs_mount.c30
1 files changed, 2 insertions, 28 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index c67f8a9..1bfaa20 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -51,7 +51,6 @@ STATIC void xfs_unmountfs_wait(xfs_mount_t *);
#ifdef HAVE_PERCPU_SB
-STATIC void xfs_icsb_destroy_counters(xfs_mount_t *);
STATIC void xfs_icsb_balance_counter(xfs_mount_t *, xfs_sb_field_t,
int);
STATIC void xfs_icsb_balance_counter_locked(xfs_mount_t *, xfs_sb_field_t,
@@ -62,7 +61,6 @@ STATIC void xfs_icsb_disable_counter(xfs_mount_t *, xfs_sb_field_t);
#else
-#define xfs_icsb_destroy_counters(mp) do { } while (0)
#define xfs_icsb_balance_counter(mp, a, b) do { } while (0)
#define xfs_icsb_balance_counter_locked(mp, a, b) do { } while (0)
#define xfs_icsb_modify_counters(mp, a, b, c) do { } while (0)
@@ -125,33 +123,11 @@ static const struct {
};
/*
- * Return a pointer to an initialized xfs_mount structure.
- */
-xfs_mount_t *
-xfs_mount_init(void)
-{
- xfs_mount_t *mp;
-
- mp = kmem_zalloc(sizeof(xfs_mount_t), KM_SLEEP);
-
- if (xfs_icsb_init_counters(mp)) {
- mp->m_flags |= XFS_MOUNT_NO_PERCPU_SB;
- }
-
- spin_lock_init(&mp->m_sb_lock);
- mutex_init(&mp->m_ilock);
- mutex_init(&mp->m_growlock);
- atomic_set(&mp->m_active_trans, 0);
-
- return mp;
-}
-
-/*
* Free up the resources associated with a mount structure. Assume that
* the structure was initially zeroed, so we can tell which fields got
* initialized.
*/
-void
+STATIC void
xfs_mount_free(
xfs_mount_t *mp)
{
@@ -177,8 +153,6 @@ xfs_mount_free(
kmem_free(mp->m_rtname);
if (mp->m_logname != NULL)
kmem_free(mp->m_logname);
-
- xfs_icsb_destroy_counters(mp);
}
/*
@@ -2093,7 +2067,7 @@ xfs_icsb_reinit_counters(
xfs_icsb_unlock(mp);
}
-STATIC void
+void
xfs_icsb_destroy_counters(
xfs_mount_t *mp)
{
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