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-rw-r--r--fs/xfs/linux-2.6/xfs_aops.c23
-rw-r--r--fs/xfs/linux-2.6/xfs_iops.c16
-rw-r--r--fs/xfs/linux-2.6/xfs_quotaops.c1
-rw-r--r--fs/xfs/linux-2.6/xfs_sync.c9
-rw-r--r--fs/xfs/linux-2.6/xfs_trace.c1
-rw-r--r--fs/xfs/linux-2.6/xfs_trace.h356
6 files changed, 216 insertions, 190 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 089eaca860b..34640d6dbdc 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1333,6 +1333,21 @@ xfs_vm_writepage(
trace_xfs_writepage(inode, page, 0);
/*
+ * Refuse to write the page out if we are called from reclaim context.
+ *
+ * This is primarily to avoid stack overflows when called from deep
+ * used stacks in random callers for direct reclaim, but disabling
+ * reclaim for kswap is a nice side-effect as kswapd causes rather
+ * suboptimal I/O patters, too.
+ *
+ * This should really be done by the core VM, but until that happens
+ * filesystems like XFS, btrfs and ext4 have to take care of this
+ * by themselves.
+ */
+ if (current->flags & PF_MEMALLOC)
+ goto out_fail;
+
+ /*
* We need a transaction if:
* 1. There are delalloc buffers on the page
* 2. The page is uptodate and we have unmapped buffers
@@ -1366,14 +1381,6 @@ xfs_vm_writepage(
if (!page_has_buffers(page))
create_empty_buffers(page, 1 << inode->i_blkbits, 0);
-
- /*
- * VM calculation for nr_to_write seems off. Bump it way
- * up, this gets simple streaming writes zippy again.
- * To be reviewed again after Jens' writeback changes.
- */
- wbc->nr_to_write *= 4;
-
/*
* Convert delayed allocate, unwritten or unmapped space
* to real space and flush out to disk.
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 9c8019c78c9..44f0b2de153 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -585,11 +585,20 @@ xfs_vn_fallocate(
bf.l_len = len;
xfs_ilock(ip, XFS_IOLOCK_EXCL);
+
+ /* check the new inode size is valid before allocating */
+ if (!(mode & FALLOC_FL_KEEP_SIZE) &&
+ offset + len > i_size_read(inode)) {
+ new_size = offset + len;
+ error = inode_newsize_ok(inode, new_size);
+ if (error)
+ goto out_unlock;
+ }
+
error = -xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf,
0, XFS_ATTR_NOLOCK);
- if (!error && !(mode & FALLOC_FL_KEEP_SIZE) &&
- offset + len > i_size_read(inode))
- new_size = offset + len;
+ if (error)
+ goto out_unlock;
/* Change file size if needed */
if (new_size) {
@@ -600,6 +609,7 @@ xfs_vn_fallocate(
error = -xfs_setattr(ip, &iattr, XFS_ATTR_NOLOCK);
}
+out_unlock:
xfs_iunlock(ip, XFS_IOLOCK_EXCL);
out_error:
return error;
diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c
index 9ac8aea9152..067cafbfc63 100644
--- a/fs/xfs/linux-2.6/xfs_quotaops.c
+++ b/fs/xfs/linux-2.6/xfs_quotaops.c
@@ -23,7 +23,6 @@
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_quota.h"
-#include "xfs_log.h"
#include "xfs_trans.h"
#include "xfs_bmap_btree.h"
#include "xfs_inode.h"
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index 3884e20bc14..ef7f0218bcc 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -164,10 +164,6 @@ xfs_inode_ag_iterator(
struct xfs_perag *pag;
pag = xfs_perag_get(mp, ag);
- if (!pag->pag_ici_init) {
- xfs_perag_put(pag);
- continue;
- }
error = xfs_inode_ag_walk(mp, pag, execute, flags, tag,
exclusive, &nr);
xfs_perag_put(pag);
@@ -867,12 +863,7 @@ xfs_reclaim_inode_shrink(
down_read(&xfs_mount_list_lock);
list_for_each_entry(mp, &xfs_mount_list, m_mplist) {
for (ag = 0; ag < mp->m_sb.sb_agcount; ag++) {
-
pag = xfs_perag_get(mp, ag);
- if (!pag->pag_ici_init) {
- xfs_perag_put(pag);
- continue;
- }
reclaimable += pag->pag_ici_reclaimable;
xfs_perag_put(pag);
}
diff --git a/fs/xfs/linux-2.6/xfs_trace.c b/fs/xfs/linux-2.6/xfs_trace.c
index 207fa77f63a..d12be8470cb 100644
--- a/fs/xfs/linux-2.6/xfs_trace.c
+++ b/fs/xfs/linux-2.6/xfs_trace.c
@@ -50,7 +50,6 @@
#include "quota/xfs_dquot_item.h"
#include "quota/xfs_dquot.h"
#include "xfs_log_recover.h"
-#include "xfs_buf_item.h"
#include "xfs_inode_item.h"
/*
diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h
index ff6bc797baf..73d5aa11738 100644
--- a/fs/xfs/linux-2.6/xfs_trace.h
+++ b/fs/xfs/linux-2.6/xfs_trace.h
@@ -82,33 +82,6 @@ DECLARE_EVENT_CLASS(xfs_attr_list_class,
)
)
-#define DEFINE_PERAG_REF_EVENT(name) \
-TRACE_EVENT(name, \
- TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int refcount, \
- unsigned long caller_ip), \
- TP_ARGS(mp, agno, refcount, caller_ip), \
- TP_STRUCT__entry( \
- __field(dev_t, dev) \
- __field(xfs_agnumber_t, agno) \
- __field(int, refcount) \
- __field(unsigned long, caller_ip) \
- ), \
- TP_fast_assign( \
- __entry->dev = mp->m_super->s_dev; \
- __entry->agno = agno; \
- __entry->refcount = refcount; \
- __entry->caller_ip = caller_ip; \
- ), \
- TP_printk("dev %d:%d agno %u refcount %d caller %pf", \
- MAJOR(__entry->dev), MINOR(__entry->dev), \
- __entry->agno, \
- __entry->refcount, \
- (char *)__entry->caller_ip) \
-);
-
-DEFINE_PERAG_REF_EVENT(xfs_perag_get)
-DEFINE_PERAG_REF_EVENT(xfs_perag_put)
-
#define DEFINE_ATTR_LIST_EVENT(name) \
DEFINE_EVENT(xfs_attr_list_class, name, \
TP_PROTO(struct xfs_attr_list_context *ctx), \
@@ -122,6 +95,37 @@ DEFINE_ATTR_LIST_EVENT(xfs_attr_list_add);
DEFINE_ATTR_LIST_EVENT(xfs_attr_list_wrong_blk);
DEFINE_ATTR_LIST_EVENT(xfs_attr_list_notfound);
+DECLARE_EVENT_CLASS(xfs_perag_class,
+ TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int refcount,
+ unsigned long caller_ip),
+ TP_ARGS(mp, agno, refcount, caller_ip),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_agnumber_t, agno)
+ __field(int, refcount)
+ __field(unsigned long, caller_ip)
+ ),
+ TP_fast_assign(
+ __entry->dev = mp->m_super->s_dev;
+ __entry->agno = agno;
+ __entry->refcount = refcount;
+ __entry->caller_ip = caller_ip;
+ ),
+ TP_printk("dev %d:%d agno %u refcount %d caller %pf",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->agno,
+ __entry->refcount,
+ (char *)__entry->caller_ip)
+);
+
+#define DEFINE_PERAG_REF_EVENT(name) \
+DEFINE_EVENT(xfs_perag_class, name, \
+ TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, int refcount, \
+ unsigned long caller_ip), \
+ TP_ARGS(mp, agno, refcount, caller_ip))
+DEFINE_PERAG_REF_EVENT(xfs_perag_get);
+DEFINE_PERAG_REF_EVENT(xfs_perag_put);
+
TRACE_EVENT(xfs_attr_list_node_descend,
TP_PROTO(struct xfs_attr_list_context *ctx,
struct xfs_da_node_entry *btree),
@@ -775,165 +779,181 @@ DEFINE_LOGGRANT_EVENT(xfs_log_ungrant_enter);
DEFINE_LOGGRANT_EVENT(xfs_log_ungrant_exit);
DEFINE_LOGGRANT_EVENT(xfs_log_ungrant_sub);
-#define DEFINE_RW_EVENT(name) \
-TRACE_EVENT(name, \
- TP_PROTO(struct xfs_inode *ip, size_t count, loff_t offset, int flags), \
- TP_ARGS(ip, count, offset, flags), \
- TP_STRUCT__entry( \
- __field(dev_t, dev) \
- __field(xfs_ino_t, ino) \
- __field(xfs_fsize_t, size) \
- __field(xfs_fsize_t, new_size) \
- __field(loff_t, offset) \
- __field(size_t, count) \
- __field(int, flags) \
- ), \
- TP_fast_assign( \
- __entry->dev = VFS_I(ip)->i_sb->s_dev; \
- __entry->ino = ip->i_ino; \
- __entry->size = ip->i_d.di_size; \
- __entry->new_size = ip->i_new_size; \
- __entry->offset = offset; \
- __entry->count = count; \
- __entry->flags = flags; \
- ), \
- TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx " \
- "offset 0x%llx count 0x%zx ioflags %s", \
- MAJOR(__entry->dev), MINOR(__entry->dev), \
- __entry->ino, \
- __entry->size, \
- __entry->new_size, \
- __entry->offset, \
- __entry->count, \
- __print_flags(__entry->flags, "|", XFS_IO_FLAGS)) \
+DECLARE_EVENT_CLASS(xfs_file_class,
+ TP_PROTO(struct xfs_inode *ip, size_t count, loff_t offset, int flags),
+ TP_ARGS(ip, count, offset, flags),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_ino_t, ino)
+ __field(xfs_fsize_t, size)
+ __field(xfs_fsize_t, new_size)
+ __field(loff_t, offset)
+ __field(size_t, count)
+ __field(int, flags)
+ ),
+ TP_fast_assign(
+ __entry->dev = VFS_I(ip)->i_sb->s_dev;
+ __entry->ino = ip->i_ino;
+ __entry->size = ip->i_d.di_size;
+ __entry->new_size = ip->i_new_size;
+ __entry->offset = offset;
+ __entry->count = count;
+ __entry->flags = flags;
+ ),
+ TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx "
+ "offset 0x%llx count 0x%zx ioflags %s",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->ino,
+ __entry->size,
+ __entry->new_size,
+ __entry->offset,
+ __entry->count,
+ __print_flags(__entry->flags, "|", XFS_IO_FLAGS))
)
+
+#define DEFINE_RW_EVENT(name) \
+DEFINE_EVENT(xfs_file_class, name, \
+ TP_PROTO(struct xfs_inode *ip, size_t count, loff_t offset, int flags), \
+ TP_ARGS(ip, count, offset, flags))
DEFINE_RW_EVENT(xfs_file_read);
DEFINE_RW_EVENT(xfs_file_buffered_write);
DEFINE_RW_EVENT(xfs_file_direct_write);
DEFINE_RW_EVENT(xfs_file_splice_read);
DEFINE_RW_EVENT(xfs_file_splice_write);
-
-#define DEFINE_PAGE_EVENT(name) \
-TRACE_EVENT(name, \
- TP_PROTO(struct inode *inode, struct page *page, unsigned long off), \
- TP_ARGS(inode, page, off), \
- TP_STRUCT__entry( \
- __field(dev_t, dev) \
- __field(xfs_ino_t, ino) \
- __field(pgoff_t, pgoff) \
- __field(loff_t, size) \
- __field(unsigned long, offset) \
- __field(int, delalloc) \
- __field(int, unmapped) \
- __field(int, unwritten) \
- ), \
- TP_fast_assign( \
- int delalloc = -1, unmapped = -1, unwritten = -1; \
- \
- if (page_has_buffers(page)) \
- xfs_count_page_state(page, &delalloc, \
- &unmapped, &unwritten); \
- __entry->dev = inode->i_sb->s_dev; \
- __entry->ino = XFS_I(inode)->i_ino; \
- __entry->pgoff = page_offset(page); \
- __entry->size = i_size_read(inode); \
- __entry->offset = off; \
- __entry->delalloc = delalloc; \
- __entry->unmapped = unmapped; \
- __entry->unwritten = unwritten; \
- ), \
- TP_printk("dev %d:%d ino 0x%llx pgoff 0x%lx size 0x%llx offset %lx " \
- "delalloc %d unmapped %d unwritten %d", \
- MAJOR(__entry->dev), MINOR(__entry->dev), \
- __entry->ino, \
- __entry->pgoff, \
- __entry->size, \
- __entry->offset, \
- __entry->delalloc, \
- __entry->unmapped, \
- __entry->unwritten) \
+DECLARE_EVENT_CLASS(xfs_page_class,
+ TP_PROTO(struct inode *inode, struct page *page, unsigned long off),
+ TP_ARGS(inode, page, off),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_ino_t, ino)
+ __field(pgoff_t, pgoff)
+ __field(loff_t, size)
+ __field(unsigned long, offset)
+ __field(int, delalloc)
+ __field(int, unmapped)
+ __field(int, unwritten)
+ ),
+ TP_fast_assign(
+ int delalloc = -1, unmapped = -1, unwritten = -1;
+
+ if (page_has_buffers(page))
+ xfs_count_page_state(page, &delalloc,
+ &unmapped, &unwritten);
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = XFS_I(inode)->i_ino;
+ __entry->pgoff = page_offset(page);
+ __entry->size = i_size_read(inode);
+ __entry->offset = off;
+ __entry->delalloc = delalloc;
+ __entry->unmapped = unmapped;
+ __entry->unwritten = unwritten;
+ ),
+ TP_printk("dev %d:%d ino 0x%llx pgoff 0x%lx size 0x%llx offset %lx "
+ "delalloc %d unmapped %d unwritten %d",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->ino,
+ __entry->pgoff,
+ __entry->size,
+ __entry->offset,
+ __entry->delalloc,
+ __entry->unmapped,
+ __entry->unwritten)
)
+
+#define DEFINE_PAGE_EVENT(name) \
+DEFINE_EVENT(xfs_page_class, name, \
+ TP_PROTO(struct inode *inode, struct page *page, unsigned long off), \
+ TP_ARGS(inode, page, off))
DEFINE_PAGE_EVENT(xfs_writepage);
DEFINE_PAGE_EVENT(xfs_releasepage);
DEFINE_PAGE_EVENT(xfs_invalidatepage);
-#define DEFINE_IOMAP_EVENT(name) \
-TRACE_EVENT(name, \
- TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count, \
- int flags, struct xfs_bmbt_irec *irec), \
- TP_ARGS(ip, offset, count, flags, irec), \
- TP_STRUCT__entry( \
- __field(dev_t, dev) \
- __field(xfs_ino_t, ino) \
- __field(loff_t, size) \
- __field(loff_t, new_size) \
- __field(loff_t, offset) \
- __field(size_t, count) \
- __field(int, flags) \
- __field(xfs_fileoff_t, startoff) \
- __field(xfs_fsblock_t, startblock) \
- __field(xfs_filblks_t, blockcount) \
- ), \
- TP_fast_assign( \
- __entry->dev = VFS_I(ip)->i_sb->s_dev; \
- __entry->ino = ip->i_ino; \
- __entry->size = ip->i_d.di_size; \
- __entry->new_size = ip->i_new_size; \
- __entry->offset = offset; \
- __entry->count = count; \
- __entry->flags = flags; \
- __entry->startoff = irec ? irec->br_startoff : 0; \
- __entry->startblock = irec ? irec->br_startblock : 0; \
- __entry->blockcount = irec ? irec->br_blockcount : 0; \
- ), \
- TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx " \
- "offset 0x%llx count %zd flags %s " \
- "startoff 0x%llx startblock %lld blockcount 0x%llx", \
- MAJOR(__entry->dev), MINOR(__entry->dev), \
- __entry->ino, \
- __entry->size, \
- __entry->new_size, \
- __entry->offset, \
- __entry->count, \
- __print_flags(__entry->flags, "|", BMAPI_FLAGS), \
- __entry->startoff, \
- (__int64_t)__entry->startblock, \
- __entry->blockcount) \
+DECLARE_EVENT_CLASS(xfs_iomap_class,
+ TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count,
+ int flags, struct xfs_bmbt_irec *irec),
+ TP_ARGS(ip, offset, count, flags, irec),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_ino_t, ino)
+ __field(loff_t, size)
+ __field(loff_t, new_size)
+ __field(loff_t, offset)
+ __field(size_t, count)
+ __field(int, flags)
+ __field(xfs_fileoff_t, startoff)
+ __field(xfs_fsblock_t, startblock)
+ __field(xfs_filblks_t, blockcount)
+ ),
+ TP_fast_assign(
+ __entry->dev = VFS_I(ip)->i_sb->s_dev;
+ __entry->ino = ip->i_ino;
+ __entry->size = ip->i_d.di_size;
+ __entry->new_size = ip->i_new_size;
+ __entry->offset = offset;
+ __entry->count = count;
+ __entry->flags = flags;
+ __entry->startoff = irec ? irec->br_startoff : 0;
+ __entry->startblock = irec ? irec->br_startblock : 0;
+ __entry->blockcount = irec ? irec->br_blockcount : 0;
+ ),
+ TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx "
+ "offset 0x%llx count %zd flags %s "
+ "startoff 0x%llx startblock %lld blockcount 0x%llx",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->ino,
+ __entry->size,
+ __entry->new_size,
+ __entry->offset,
+ __entry->count,
+ __print_flags(__entry->flags, "|", BMAPI_FLAGS),
+ __entry->startoff,
+ (__int64_t)__entry->startblock,
+ __entry->blockcount)
)
+
+#define DEFINE_IOMAP_EVENT(name) \
+DEFINE_EVENT(xfs_iomap_class, name, \
+ TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count, \
+ int flags, struct xfs_bmbt_irec *irec), \
+ TP_ARGS(ip, offset, count, flags, irec))
DEFINE_IOMAP_EVENT(xfs_iomap_enter);
DEFINE_IOMAP_EVENT(xfs_iomap_found);
DEFINE_IOMAP_EVENT(xfs_iomap_alloc);
-#define DEFINE_SIMPLE_IO_EVENT(name) \
-TRACE_EVENT(name, \
- TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count), \
- TP_ARGS(ip, offset, count), \
- TP_STRUCT__entry( \
- __field(dev_t, dev) \
- __field(xfs_ino_t, ino) \
- __field(loff_t, size) \
- __field(loff_t, new_size) \
- __field(loff_t, offset) \
- __field(size_t, count) \
- ), \
- TP_fast_assign( \
- __entry->dev = VFS_I(ip)->i_sb->s_dev; \
- __entry->ino = ip->i_ino; \
- __entry->size = ip->i_d.di_size; \
- __entry->new_size = ip->i_new_size; \
- __entry->offset = offset; \
- __entry->count = count; \
- ), \
- TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx " \
- "offset 0x%llx count %zd", \
- MAJOR(__entry->dev), MINOR(__entry->dev), \
- __entry->ino, \
- __entry->size, \
- __entry->new_size, \
- __entry->offset, \
- __entry->count) \
+DECLARE_EVENT_CLASS(xfs_simple_io_class,
+ TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count),
+ TP_ARGS(ip, offset, count),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(xfs_ino_t, ino)
+ __field(loff_t, size)
+ __field(loff_t, new_size)
+ __field(loff_t, offset)
+ __field(size_t, count)
+ ),
+ TP_fast_assign(
+ __entry->dev = VFS_I(ip)->i_sb->s_dev;
+ __entry->ino = ip->i_ino;
+ __entry->size = ip->i_d.di_size;
+ __entry->new_size = ip->i_new_size;
+ __entry->offset = offset;
+ __entry->count = count;
+ ),
+ TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx "
+ "offset 0x%llx count %zd",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->ino,
+ __entry->size,
+ __entry->new_size,
+ __entry->offset,
+ __entry->count)
);
+
+#define DEFINE_SIMPLE_IO_EVENT(name) \
+DEFINE_EVENT(xfs_simple_io_class, name, \
+ TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count), \
+ TP_ARGS(ip, offset, count))
DEFINE_SIMPLE_IO_EVENT(xfs_delalloc_enospc);
DEFINE_SIMPLE_IO_EVENT(xfs_unwritten_convert);