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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 13:29:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 13:29:39 -0800
commitbea4c899f2b5fad80099aea979780ef19f9b1987 (patch)
tree65130f4bc91b92e72498fc58bf895d35f2ebf0f2 /fs
parent73efc4681cb5e3c8807daf106f001e7f0798d8a0 (diff)
parent3fc98b1ac036675b95f6e3fafd5ef147b97d4d30 (diff)
downloadop-kernel-dev-bea4c899f2b5fad80099aea979780ef19f9b1987.zip
op-kernel-dev-bea4c899f2b5fad80099aea979780ef19f9b1987.tar.gz
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs: XFS: Free buffer pages array unconditionally xfs: kill xfs_bmbt_rec_32/64 types xfs: improve metadata I/O merging in the elevator xfs: check for not fully initialized inodes in xfs_ireclaim
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.c10
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.h1
-rw-r--r--fs/xfs/xfs_bmap_btree.h14
-rw-r--r--fs/xfs/xfs_iget.c12
-rw-r--r--fs/xfs/xfs_inode_item.h6
-rw-r--r--fs/xfs/xfs_log.c2
6 files changed, 24 insertions, 21 deletions
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index b4c7d42..77b8be8 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -292,6 +292,7 @@ _xfs_buf_free_pages(
{
if (bp->b_pages != bp->b_page_array) {
kmem_free(bp->b_pages);
+ bp->b_pages = NULL;
}
}
@@ -323,9 +324,8 @@ xfs_buf_free(
ASSERT(!PagePrivate(page));
page_cache_release(page);
}
- _xfs_buf_free_pages(bp);
}
-
+ _xfs_buf_free_pages(bp);
xfs_buf_deallocate(bp);
}
@@ -1149,10 +1149,14 @@ _xfs_buf_ioapply(
if (bp->b_flags & XBF_ORDERED) {
ASSERT(!(bp->b_flags & XBF_READ));
rw = WRITE_BARRIER;
- } else if (bp->b_flags & _XBF_RUN_QUEUES) {
+ } else if (bp->b_flags & XBF_LOG_BUFFER) {
ASSERT(!(bp->b_flags & XBF_READ_AHEAD));
bp->b_flags &= ~_XBF_RUN_QUEUES;
rw = (bp->b_flags & XBF_WRITE) ? WRITE_SYNC : READ_SYNC;
+ } else if (bp->b_flags & _XBF_RUN_QUEUES) {
+ ASSERT(!(bp->b_flags & XBF_READ_AHEAD));
+ bp->b_flags &= ~_XBF_RUN_QUEUES;
+ rw = (bp->b_flags & XBF_WRITE) ? WRITE_META : READ_META;
} else {
rw = (bp->b_flags & XBF_WRITE) ? WRITE :
(bp->b_flags & XBF_READ_AHEAD) ? READA : READ;
diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index a509f4a..a34c7b5 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -55,6 +55,7 @@ typedef enum {
XBF_FS_MANAGED = (1 << 8), /* filesystem controls freeing memory */
XBF_ORDERED = (1 << 11), /* use ordered writes */
XBF_READ_AHEAD = (1 << 12), /* asynchronous read-ahead */
+ XBF_LOG_BUFFER = (1 << 13), /* this is a buffer used for the log */
/* flags used only as arguments to access routines */
XBF_LOCK = (1 << 14), /* lock requested */
diff --git a/fs/xfs/xfs_bmap_btree.h b/fs/xfs/xfs_bmap_btree.h
index 5549d49..cf07ca7 100644
--- a/fs/xfs/xfs_bmap_btree.h
+++ b/fs/xfs/xfs_bmap_btree.h
@@ -46,20 +46,12 @@ typedef struct xfs_bmdr_block {
#define BMBT_STARTBLOCK_BITLEN 52
#define BMBT_BLOCKCOUNT_BITLEN 21
-
-#define BMBT_USE_64 1
-
-typedef struct xfs_bmbt_rec_32
-{
- __uint32_t l0, l1, l2, l3;
-} xfs_bmbt_rec_32_t;
-typedef struct xfs_bmbt_rec_64
-{
+typedef struct xfs_bmbt_rec {
__be64 l0, l1;
-} xfs_bmbt_rec_64_t;
+} xfs_bmbt_rec_t;
typedef __uint64_t xfs_bmbt_rec_base_t; /* use this for casts */
-typedef xfs_bmbt_rec_64_t xfs_bmbt_rec_t, xfs_bmdr_rec_t;
+typedef xfs_bmbt_rec_t xfs_bmdr_rec_t;
typedef struct xfs_bmbt_rec_host {
__uint64_t l0, l1;
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index f5c904a..0de36c2 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -478,17 +478,21 @@ xfs_ireclaim(
{
struct xfs_mount *mp = ip->i_mount;
struct xfs_perag *pag;
+ xfs_agino_t agino = XFS_INO_TO_AGINO(mp, ip->i_ino);
XFS_STATS_INC(xs_ig_reclaims);
/*
- * Remove the inode from the per-AG radix tree. It doesn't matter
- * if it was never added to it because radix_tree_delete can deal
- * with that case just fine.
+ * Remove the inode from the per-AG radix tree.
+ *
+ * Because radix_tree_delete won't complain even if the item was never
+ * added to the tree assert that it's been there before to catch
+ * problems with the inode life time early on.
*/
pag = xfs_get_perag(mp, ip->i_ino);
write_lock(&pag->pag_ici_lock);
- radix_tree_delete(&pag->pag_ici_root, XFS_INO_TO_AGINO(mp, ip->i_ino));
+ if (!radix_tree_delete(&pag->pag_ici_root, agino))
+ ASSERT(0);
write_unlock(&pag->pag_ici_lock);
xfs_put_perag(mp, pag);
diff --git a/fs/xfs/xfs_inode_item.h b/fs/xfs/xfs_inode_item.h
index 65bae4c..cc8df1a 100644
--- a/fs/xfs/xfs_inode_item.h
+++ b/fs/xfs/xfs_inode_item.h
@@ -127,7 +127,7 @@ static inline int xfs_ilog_fdata(int w)
#ifdef __KERNEL__
struct xfs_buf;
-struct xfs_bmbt_rec_64;
+struct xfs_bmbt_rec;
struct xfs_inode;
struct xfs_mount;
@@ -140,9 +140,9 @@ typedef struct xfs_inode_log_item {
unsigned short ili_flags; /* misc flags */
unsigned short ili_logged; /* flushed logged data */
unsigned int ili_last_fields; /* fields when flushed */
- struct xfs_bmbt_rec_64 *ili_extents_buf; /* array of logged
+ struct xfs_bmbt_rec *ili_extents_buf; /* array of logged
data exts */
- struct xfs_bmbt_rec_64 *ili_aextents_buf; /* array of logged
+ struct xfs_bmbt_rec *ili_aextents_buf; /* array of logged
attr exts */
unsigned int ili_pushbuf_flag; /* one bit used in push_ail */
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 4cb1792..600b5b0 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1441,6 +1441,7 @@ xlog_sync(xlog_t *log,
XFS_BUF_ZEROFLAGS(bp);
XFS_BUF_BUSY(bp);
XFS_BUF_ASYNC(bp);
+ bp->b_flags |= XBF_LOG_BUFFER;
/*
* Do an ordered write for the log block.
* Its unnecessary to flush the first split block in the log wrap case.
@@ -1478,6 +1479,7 @@ xlog_sync(xlog_t *log,
XFS_BUF_ZEROFLAGS(bp);
XFS_BUF_BUSY(bp);
XFS_BUF_ASYNC(bp);
+ bp->b_flags |= XBF_LOG_BUFFER;
if (log->l_mp->m_flags & XFS_MOUNT_BARRIER)
XFS_BUF_ORDERED(bp);
dptr = XFS_BUF_PTR(bp);
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