* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+
#include "xfs.h"
#include "xfs_bit.h"
#include "xfs_log.h"
#include "xfs_trans_priv.h"
#include "xfs_filestream.h"
#include "xfs_da_btree.h"
-#include "xfs_dir2_trace.h"
#include "xfs_extfree_item.h"
#include "xfs_mru_cache.h"
#include "xfs_inode_item.h"
#include "xfs_sync.h"
+#include "xfs_trace.h"
#include <linux/namei.h>
#include <linux/init.h>
*/
STATIC void
xfs_fs_destroy_inode(
- struct inode *inode)
+ struct inode *inode)
{
- xfs_inode_t *ip = XFS_I(inode);
+ struct xfs_inode *ip = XFS_I(inode);
+
+ xfs_itrace_entry(ip);
XFS_STATS_INC(vn_reclaim);
- if (xfs_reclaim(ip))
- panic("%s: cannot reclaim 0x%p\n", __func__, inode);
+
+ /* bad inode, get out here ASAP */
+ if (is_bad_inode(inode))
+ goto out_reclaim;
+
+ xfs_ioend_wait(ip);
+
+ ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0);
+
+ /*
+ * We should never get here with one of the reclaim flags already set.
+ */
+ ASSERT_ALWAYS(!xfs_iflags_test(ip, XFS_IRECLAIMABLE));
+ ASSERT_ALWAYS(!xfs_iflags_test(ip, XFS_IRECLAIM));
+
+ /*
+ * If we have nothing to flush with this inode then complete the
+ * teardown now, otherwise delay the flush operation.
+ */
+ if (!xfs_inode_clean(ip)) {
+ xfs_inode_set_reclaim_tag(ip);
+ return;
+ }
+
+out_reclaim:
+ xfs_ireclaim(ip);
}
/*
mrlock_init(&ip->i_lock, MRLOCK_ALLOW_EQUAL_PRI|MRLOCK_BARRIER,
"xfsino", ip->i_ino);
- mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", ip->i_ino);
}
/*
XFS_STATS_INC(vn_remove);
XFS_STATS_DEC(vn_active);
+ /*
+ * The iolock is used by the file system to coordinate reads,
+ * writes, and block truncates. Up to this point the lock
+ * protected concurrent accesses by users of the inode. But
+ * from here forward we're doing some final processing of the
+ * inode because we're done with it, and although we reuse the
+ * iolock for protection it is really a distinct lock class
+ * (in the lockdep sense) from before. To keep lockdep happy
+ * (and basically indicate what we are doing), we explicitly
+ * re-init the iolock here.
+ */
+ ASSERT(!rwsem_is_locked(&ip->i_iolock.mr_lock));
+ mrlock_init(&ip->i_iolock, MRLOCK_BARRIER, "xfsio", ip->i_ino);
+
xfs_inactive(ip);
}
struct super_block *sb)
{
struct xfs_mount *mp = XFS_M(sb);
- struct xfs_inode *rip = mp->m_rootip;
- int unmount_event_flags = 0;
xfs_syncd_stop(mp);
xfs_sync_attr(mp, 0);
}
-#ifdef HAVE_DMAPI
- if (mp->m_flags & XFS_MOUNT_DMAPI) {
- unmount_event_flags =
- (mp->m_dmevmask & (1 << DM_EVENT_UNMOUNT)) ?
- 0 : DM_FLAGS_UNWANTED;
- /*
- * Ignore error from dmapi here, first unmount is not allowed
- * to fail anyway, and second we wouldn't want to fail a
- * unmount because of dmapi.
- */
- XFS_SEND_PREUNMOUNT(mp, rip, DM_RIGHT_NULL, rip, DM_RIGHT_NULL,
- NULL, NULL, 0, 0, unmount_event_flags);
- }
-#endif
+ XFS_SEND_PREUNMOUNT(mp);
/*
* Blow away any referenced inode in the filestreams cache.
XFS_bflush(mp->m_ddev_targp);
- if (mp->m_flags & XFS_MOUNT_DMAPI) {
- XFS_SEND_UNMOUNT(mp, rip, DM_RIGHT_NULL, 0, 0,
- unmount_event_flags);
- }
+ XFS_SEND_UNMOUNT(mp);
xfs_unmountfs(mp);
xfs_freesb(mp);
goto fail_vnrele;
kfree(mtpt);
-
- xfs_itrace_exit(XFS_I(sb->s_root->d_inode));
return 0;
out_filestream_unmount:
.fs_flags = FS_REQUIRES_DEV,
};
-STATIC int __init
-xfs_alloc_trace_bufs(void)
-{
-#ifdef XFS_ALLOC_TRACE
- xfs_alloc_trace_buf = ktrace_alloc(XFS_ALLOC_TRACE_SIZE, KM_MAYFAIL);
- if (!xfs_alloc_trace_buf)
- goto out;
-#endif
-#ifdef XFS_BMAP_TRACE
- xfs_bmap_trace_buf = ktrace_alloc(XFS_BMAP_TRACE_SIZE, KM_MAYFAIL);
- if (!xfs_bmap_trace_buf)
- goto out_free_alloc_trace;
-#endif
-#ifdef XFS_BTREE_TRACE
- xfs_allocbt_trace_buf = ktrace_alloc(XFS_ALLOCBT_TRACE_SIZE,
- KM_MAYFAIL);
- if (!xfs_allocbt_trace_buf)
- goto out_free_bmap_trace;
-
- xfs_inobt_trace_buf = ktrace_alloc(XFS_INOBT_TRACE_SIZE, KM_MAYFAIL);
- if (!xfs_inobt_trace_buf)
- goto out_free_allocbt_trace;
-
- xfs_bmbt_trace_buf = ktrace_alloc(XFS_BMBT_TRACE_SIZE, KM_MAYFAIL);
- if (!xfs_bmbt_trace_buf)
- goto out_free_inobt_trace;
-#endif
-#ifdef XFS_ATTR_TRACE
- xfs_attr_trace_buf = ktrace_alloc(XFS_ATTR_TRACE_SIZE, KM_MAYFAIL);
- if (!xfs_attr_trace_buf)
- goto out_free_bmbt_trace;
-#endif
-#ifdef XFS_DIR2_TRACE
- xfs_dir2_trace_buf = ktrace_alloc(XFS_DIR2_GTRACE_SIZE, KM_MAYFAIL);
- if (!xfs_dir2_trace_buf)
- goto out_free_attr_trace;
-#endif
-
- return 0;
-
-#ifdef XFS_DIR2_TRACE
- out_free_attr_trace:
-#endif
-#ifdef XFS_ATTR_TRACE
- ktrace_free(xfs_attr_trace_buf);
- out_free_bmbt_trace:
-#endif
-#ifdef XFS_BTREE_TRACE
- ktrace_free(xfs_bmbt_trace_buf);
- out_free_inobt_trace:
- ktrace_free(xfs_inobt_trace_buf);
- out_free_allocbt_trace:
- ktrace_free(xfs_allocbt_trace_buf);
- out_free_bmap_trace:
-#endif
-#ifdef XFS_BMAP_TRACE
- ktrace_free(xfs_bmap_trace_buf);
- out_free_alloc_trace:
-#endif
-#ifdef XFS_ALLOC_TRACE
- ktrace_free(xfs_alloc_trace_buf);
- out:
-#endif
- return -ENOMEM;
-}
-
-STATIC void
-xfs_free_trace_bufs(void)
-{
-#ifdef XFS_DIR2_TRACE
- ktrace_free(xfs_dir2_trace_buf);
-#endif
-#ifdef XFS_ATTR_TRACE
- ktrace_free(xfs_attr_trace_buf);
-#endif
-#ifdef XFS_BTREE_TRACE
- ktrace_free(xfs_bmbt_trace_buf);
- ktrace_free(xfs_inobt_trace_buf);
- ktrace_free(xfs_allocbt_trace_buf);
-#endif
-#ifdef XFS_BMAP_TRACE
- ktrace_free(xfs_bmap_trace_buf);
-#endif
-#ifdef XFS_ALLOC_TRACE
- ktrace_free(xfs_alloc_trace_buf);
-#endif
-}
-
STATIC int __init
xfs_init_zones(void)
{
printk(KERN_INFO XFS_VERSION_STRING " with "
XFS_BUILD_OPTIONS " enabled\n");
- ktrace_init(64);
xfs_ioend_init();
xfs_dir_startup();
if (error)
goto out;
- error = xfs_alloc_trace_bufs();
- if (error)
- goto out_destroy_zones;
-
error = xfs_mru_cache_init();
if (error)
- goto out_free_trace_buffers;
+ goto out_destroy_zones;
error = xfs_filestream_init();
if (error)
xfs_filestream_uninit();
out_mru_cache_uninit:
xfs_mru_cache_uninit();
- out_free_trace_buffers:
- xfs_free_trace_bufs();
out_destroy_zones:
xfs_destroy_zones();
out:
xfs_buf_terminate();
xfs_filestream_uninit();
xfs_mru_cache_uninit();
- xfs_free_trace_bufs();
xfs_destroy_zones();
- ktrace_uninit();
}
module_init(init_xfs_fs);
projects / deliverable / linux.git / blobdiff