#include <asm/uaccess.h>
#include <linux/fiemap.h>
#include "ext4_jbd2.h"
-#include "ext4_extents.h"
#include <trace/events/ext4.h>
struct ext4_ext_cache *cex;
BUG_ON(len == 0);
spin_lock(&EXT4_I(inode)->i_block_reservation_lock);
+ trace_ext4_ext_put_in_cache(inode, block, len, start);
cex = &EXT4_I(inode)->i_cached_extent;
cex->ec_block = block;
cex->ec_len = len;
sbi->extent_cache_misses++;
else
sbi->extent_cache_hits++;
+ trace_ext4_ext_in_cache(inode, block, ret);
spin_unlock(&EXT4_I(inode)->i_block_reservation_lock);
return ret;
}
if (err)
return err;
ext_debug("index is empty, remove it, free block %llu\n", leaf);
+ trace_ext4_ext_rm_idx(inode, leaf);
+
ext4_free_blocks(handle, inode, NULL, leaf, 1,
EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET);
return err;
*/
flags |= EXT4_FREE_BLOCKS_NOFREE_FIRST_CLUSTER;
+ trace_ext4_remove_blocks(inode, ex, from, to, *partial_cluster);
/*
* If we have a partial cluster, and it's different from the
* cluster of the last block, we need to explicitly free the
ex_ee_block = le32_to_cpu(ex->ee_block);
ex_ee_len = ext4_ext_get_actual_len(ex);
+ trace_ext4_ext_rm_leaf(inode, start, ex, *partial_cluster);
+
while (ex >= EXT_FIRST_EXTENT(eh) &&
ex_ee_block + ex_ee_len > start) {
again:
ext4_ext_invalidate_cache(inode);
+ trace_ext4_ext_remove_space(inode, start, depth);
+
/*
* We start scanning from right side, freeing all the blocks
* after i_size and walking into the tree depth-wise.
}
}
+ trace_ext4_ext_remove_space_done(inode, start, depth, partial_cluster,
+ path->p_hdr->eh_entries);
+
/* If we still have something in the partial cluster and we have removed
* even the first extent, then we should free the blocks in the partial
* cluster as well. */
* detect that here.
*/
page_cache_release(page);
+ trace_ext4_find_delalloc_range(inode,
+ lblk_start, lblk_end,
+ search_hint_reverse,
+ 0, i);
return 0;
}
if (buffer_delay(bh)) {
page_cache_release(page);
+ trace_ext4_find_delalloc_range(inode,
+ lblk_start, lblk_end,
+ search_hint_reverse,
+ 1, i);
return 1;
}
if (search_hint_reverse)
i = index << (PAGE_CACHE_SHIFT - inode->i_blkbits);
}
+ trace_ext4_find_delalloc_range(inode, lblk_start, lblk_end,
+ search_hint_reverse, 0, 0);
return 0;
}
/* max possible clusters for this allocation */
allocated_clusters = alloc_cluster_end - alloc_cluster_start + 1;
+ trace_ext4_get_reserved_cluster_alloc(inode, lblk_start, num_blks);
+
/* Check towards left side */
c_offset = lblk_start & (sbi->s_cluster_ratio - 1);
if (c_offset) {
flags, allocated);
ext4_ext_show_leaf(inode, path);
+ trace_ext4_ext_handle_uninitialized_extents(inode, map, allocated,
+ newblock);
+
/* get_block() before submit the IO, split the extent */
if ((flags & EXT4_GET_BLOCKS_PRE_IO)) {
ret = ext4_split_unwritten_extents(handle, inode, map,
* get_implied_cluster_alloc - check to see if the requested
* allocation (in the map structure) overlaps with a cluster already
* allocated in an extent.
- * @sbi The ext4-specific superblock structure
+ * @sb The filesystem superblock structure
* @map The requested lblk->pblk mapping
* @ex The extent structure which might contain an implied
* cluster allocation
* ext4_ext_map_blocks() will then allocate one or more new clusters
* by calling ext4_mb_new_blocks().
*/
-static int get_implied_cluster_alloc(struct ext4_sb_info *sbi,
+static int get_implied_cluster_alloc(struct super_block *sb,
struct ext4_map_blocks *map,
struct ext4_extent *ex,
struct ext4_ext_path *path)
{
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
ext4_lblk_t c_offset = map->m_lblk & (sbi->s_cluster_ratio-1);
ext4_lblk_t ex_cluster_start, ex_cluster_end;
ext4_lblk_t rr_cluster_start, rr_cluster_end;
ext4_lblk_t next = ext4_ext_next_allocated_block(path);
map->m_len = min(map->m_len, next - map->m_lblk);
}
+
+ trace_ext4_get_implied_cluster_alloc_exit(sb, map, 1);
return 1;
}
+
+ trace_ext4_get_implied_cluster_alloc_exit(sb, map, 0);
return 0;
}
* we split out initialized portions during a write.
*/
ee_len = ext4_ext_get_actual_len(ex);
+
+ trace_ext4_ext_show_extent(inode, ee_block, ee_start, ee_len);
+
/* if found extent covers block, simply return it */
if (in_range(map->m_lblk, ee_block, ee_len)) {
ext4_fsblk_t partial_cluster = 0;
* by ext4_ext_find_extent() implies a cluster we can use.
*/
if (cluster_offset && ex &&
- get_implied_cluster_alloc(sbi, map, ex, path)) {
+ get_implied_cluster_alloc(inode->i_sb, map, ex, path)) {
ar.len = allocated = map->m_len;
newblock = map->m_pblk;
map->m_flags |= EXT4_MAP_FROM_CLUSTER;
/* Check if the extent after searching to the right implies a
* cluster we can use. */
if ((sbi->s_cluster_ratio > 1) && ex2 &&
- get_implied_cluster_alloc(sbi, map, ex2, path)) {
+ get_implied_cluster_alloc(inode->i_sb, map, ex2, path)) {
ar.len = allocated = map->m_len;
newblock = map->m_pblk;
map->m_flags |= EXT4_MAP_FROM_CLUSTER;
struct ext4_prealloc_space;
struct ext4_inode_info;
struct mpage_da_data;
+struct ext4_map_blocks;
+struct ext4_extent;
#define EXT4_I(inode) (container_of(inode, struct ext4_inode_info, vfs_inode))
);
TRACE_EVENT(ext4_da_update_reserve_space,
- TP_PROTO(struct inode *inode, int used_blocks),
+ TP_PROTO(struct inode *inode, int used_blocks, int quota_claim),
- TP_ARGS(inode, used_blocks),
+ TP_ARGS(inode, used_blocks, quota_claim),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( int, reserved_data_blocks )
__field( int, reserved_meta_blocks )
__field( int, allocated_meta_blocks )
+ __field( int, quota_claim )
),
TP_fast_assign(
__entry->mode = inode->i_mode;
__entry->i_blocks = inode->i_blocks;
__entry->used_blocks = used_blocks;
- __entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
- __entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
- __entry->allocated_meta_blocks = EXT4_I(inode)->i_allocated_meta_blocks;
+ __entry->reserved_data_blocks =
+ EXT4_I(inode)->i_reserved_data_blocks;
+ __entry->reserved_meta_blocks =
+ EXT4_I(inode)->i_reserved_meta_blocks;
+ __entry->allocated_meta_blocks =
+ EXT4_I(inode)->i_allocated_meta_blocks;
+ __entry->quota_claim = quota_claim;
),
TP_printk("dev %d,%d ino %lu mode 0%o i_blocks %llu used_blocks %d "
"reserved_data_blocks %d reserved_meta_blocks %d "
- "allocated_meta_blocks %d",
+ "allocated_meta_blocks %d quota_claim %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->mode, __entry->i_blocks,
__entry->used_blocks, __entry->reserved_data_blocks,
- __entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
+ __entry->reserved_meta_blocks, __entry->allocated_meta_blocks,
+ __entry->quota_claim)
);
TRACE_EVENT(ext4_da_reserve_space,
TP_ARGS(sb, group, start, len)
);
+TRACE_EVENT(ext4_ext_handle_uninitialized_extents,
+ TP_PROTO(struct inode *inode, struct ext4_map_blocks *map,
+ unsigned int allocated, ext4_fsblk_t newblock),
+
+ TP_ARGS(inode, map, allocated, newblock),
+
+ TP_STRUCT__entry(
+ __field( ino_t, ino )
+ __field( dev_t, dev )
+ __field( ext4_lblk_t, lblk )
+ __field( ext4_fsblk_t, pblk )
+ __field( unsigned int, len )
+ __field( int, flags )
+ __field( unsigned int, allocated )
+ __field( ext4_fsblk_t, newblk )
+ ),
+
+ TP_fast_assign(
+ __entry->ino = inode->i_ino;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->lblk = map->m_lblk;
+ __entry->pblk = map->m_pblk;
+ __entry->len = map->m_len;
+ __entry->flags = map->m_flags;
+ __entry->allocated = allocated;
+ __entry->newblk = newblock;
+ ),
+
+ TP_printk("dev %d,%d ino %lu m_lblk %u m_pblk %llu m_len %u flags %d"
+ "allocated %d newblock %llu",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long) __entry->ino,
+ (unsigned) __entry->lblk, (unsigned long long) __entry->pblk,
+ __entry->len, __entry->flags,
+ (unsigned int) __entry->allocated,
+ (unsigned long long) __entry->newblk)
+);
+
+TRACE_EVENT(ext4_get_implied_cluster_alloc_exit,
+ TP_PROTO(struct super_block *sb, struct ext4_map_blocks *map, int ret),
+
+ TP_ARGS(sb, map, ret),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ext4_lblk_t, lblk )
+ __field( ext4_fsblk_t, pblk )
+ __field( unsigned int, len )
+ __field( unsigned int, flags )
+ __field( int, ret )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = sb->s_dev;
+ __entry->lblk = map->m_lblk;
+ __entry->pblk = map->m_pblk;
+ __entry->len = map->m_len;
+ __entry->flags = map->m_flags;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("dev %d,%d m_lblk %u m_pblk %llu m_len %u m_flags %u ret %d",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->lblk, (unsigned long long) __entry->pblk,
+ __entry->len, __entry->flags, __entry->ret)
+);
+
+TRACE_EVENT(ext4_ext_put_in_cache,
+ TP_PROTO(struct inode *inode, ext4_lblk_t lblk, unsigned int len,
+ ext4_fsblk_t start),
+
+ TP_ARGS(inode, lblk, len, start),
+
+ TP_STRUCT__entry(
+ __field( ino_t, ino )
+ __field( dev_t, dev )
+ __field( ext4_lblk_t, lblk )
+ __field( unsigned int, len )
+ __field( ext4_fsblk_t, start )
+ ),
+
+ TP_fast_assign(
+ __entry->ino = inode->i_ino;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->lblk = lblk;
+ __entry->len = len;
+ __entry->start = start;
+ ),
+
+ TP_printk("dev %d,%d ino %lu lblk %u len %u start %llu",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long) __entry->ino,
+ (unsigned) __entry->lblk,
+ __entry->len,
+ (unsigned long long) __entry->start)
+);
+
+TRACE_EVENT(ext4_ext_in_cache,
+ TP_PROTO(struct inode *inode, ext4_lblk_t lblk, int ret),
+
+ TP_ARGS(inode, lblk, ret),
+
+ TP_STRUCT__entry(
+ __field( ino_t, ino )
+ __field( dev_t, dev )
+ __field( ext4_lblk_t, lblk )
+ __field( int, ret )
+ ),
+
+ TP_fast_assign(
+ __entry->ino = inode->i_ino;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->lblk = lblk;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("dev %d,%d ino %lu lblk %u ret %d",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long) __entry->ino,
+ (unsigned) __entry->lblk,
+ __entry->ret)
+
+);
+
+TRACE_EVENT(ext4_find_delalloc_range,
+ TP_PROTO(struct inode *inode, ext4_lblk_t from, ext4_lblk_t to,
+ int reverse, int found, ext4_lblk_t found_blk),
+
+ TP_ARGS(inode, from, to, reverse, found, found_blk),
+
+ TP_STRUCT__entry(
+ __field( ino_t, ino )
+ __field( dev_t, dev )
+ __field( ext4_lblk_t, from )
+ __field( ext4_lblk_t, to )
+ __field( int, reverse )
+ __field( int, found )
+ __field( ext4_lblk_t, found_blk )
+ ),
+
+ TP_fast_assign(
+ __entry->ino = inode->i_ino;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->from = from;
+ __entry->to = to;
+ __entry->reverse = reverse;
+ __entry->found = found;
+ __entry->found_blk = found_blk;
+ ),
+
+ TP_printk("dev %d,%d ino %lu from %u to %u reverse %d found %d "
+ "(blk = %u)",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long) __entry->ino,
+ (unsigned) __entry->from, (unsigned) __entry->to,
+ __entry->reverse, __entry->found,
+ (unsigned) __entry->found_blk)
+);
+
+TRACE_EVENT(ext4_get_reserved_cluster_alloc,
+ TP_PROTO(struct inode *inode, ext4_lblk_t lblk, unsigned int len),
+
+ TP_ARGS(inode, lblk, len),
+
+ TP_STRUCT__entry(
+ __field( ino_t, ino )
+ __field( dev_t, dev )
+ __field( ext4_lblk_t, lblk )
+ __field( unsigned int, len )
+ ),
+
+ TP_fast_assign(
+ __entry->ino = inode->i_ino;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->lblk = lblk;
+ __entry->len = len;
+ ),
+
+ TP_printk("dev %d,%d ino %lu lblk %u len %u",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long) __entry->ino,
+ (unsigned) __entry->lblk,
+ __entry->len)
+);
+
+TRACE_EVENT(ext4_ext_show_extent,
+ TP_PROTO(struct inode *inode, ext4_lblk_t lblk, ext4_fsblk_t pblk,
+ unsigned short len),
+
+ TP_ARGS(inode, lblk, pblk, len),
+
+ TP_STRUCT__entry(
+ __field( ino_t, ino )
+ __field( dev_t, dev )
+ __field( ext4_lblk_t, lblk )
+ __field( ext4_fsblk_t, pblk )
+ __field( unsigned short, len )
+ ),
+
+ TP_fast_assign(
+ __entry->ino = inode->i_ino;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->lblk = lblk;
+ __entry->pblk = pblk;
+ __entry->len = len;
+ ),
+
+ TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long) __entry->ino,
+ (unsigned) __entry->lblk,
+ (unsigned long long) __entry->pblk,
+ (unsigned short) __entry->len)
+);
+
+TRACE_EVENT(ext4_remove_blocks,
+ TP_PROTO(struct inode *inode, struct ext4_extent *ex,
+ ext4_lblk_t from, ext4_fsblk_t to,
+ ext4_fsblk_t partial_cluster),
+
+ TP_ARGS(inode, ex, from, to, partial_cluster),
+
+ TP_STRUCT__entry(
+ __field( ino_t, ino )
+ __field( dev_t, dev )
+ __field( ext4_lblk_t, ee_lblk )
+ __field( ext4_fsblk_t, ee_pblk )
+ __field( unsigned short, ee_len )
+ __field( ext4_lblk_t, from )
+ __field( ext4_lblk_t, to )
+ __field( ext4_fsblk_t, partial )
+ ),
+
+ TP_fast_assign(
+ __entry->ino = inode->i_ino;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ee_lblk = cpu_to_le32(ex->ee_block);
+ __entry->ee_pblk = ext4_ext_pblock(ex);
+ __entry->ee_len = ext4_ext_get_actual_len(ex);
+ __entry->from = from;
+ __entry->to = to;
+ __entry->partial = partial_cluster;
+ ),
+
+ TP_printk("dev %d,%d ino %lu extent [%u(%llu), %u]"
+ "from %u to %u partial_cluster %u",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long) __entry->ino,
+ (unsigned) __entry->ee_lblk,
+ (unsigned long long) __entry->ee_pblk,
+ (unsigned short) __entry->ee_len,
+ (unsigned) __entry->from,
+ (unsigned) __entry->to,
+ (unsigned) __entry->partial)
+);
+
+TRACE_EVENT(ext4_ext_rm_leaf,
+ TP_PROTO(struct inode *inode, ext4_lblk_t start,
+ struct ext4_extent *ex, ext4_fsblk_t partial_cluster),
+
+ TP_ARGS(inode, start, ex, partial_cluster),
+
+ TP_STRUCT__entry(
+ __field( ino_t, ino )
+ __field( dev_t, dev )
+ __field( ext4_lblk_t, start )
+ __field( ext4_lblk_t, ee_lblk )
+ __field( ext4_fsblk_t, ee_pblk )
+ __field( short, ee_len )
+ __field( ext4_fsblk_t, partial )
+ ),
+
+ TP_fast_assign(
+ __entry->ino = inode->i_ino;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->start = start;
+ __entry->ee_lblk = le32_to_cpu(ex->ee_block);
+ __entry->ee_pblk = ext4_ext_pblock(ex);
+ __entry->ee_len = ext4_ext_get_actual_len(ex);
+ __entry->partial = partial_cluster;
+ ),
+
+ TP_printk("dev %d,%d ino %lu start_lblk %u last_extent [%u(%llu), %u]"
+ "partial_cluster %u",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long) __entry->ino,
+ (unsigned) __entry->start,
+ (unsigned) __entry->ee_lblk,
+ (unsigned long long) __entry->ee_pblk,
+ (unsigned short) __entry->ee_len,
+ (unsigned) __entry->partial)
+);
+
+TRACE_EVENT(ext4_ext_rm_idx,
+ TP_PROTO(struct inode *inode, ext4_fsblk_t pblk),
+
+ TP_ARGS(inode, pblk),
+
+ TP_STRUCT__entry(
+ __field( ino_t, ino )
+ __field( dev_t, dev )
+ __field( ext4_fsblk_t, pblk )
+ ),
+
+ TP_fast_assign(
+ __entry->ino = inode->i_ino;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->pblk = pblk;
+ ),
+
+ TP_printk("dev %d,%d ino %lu index_pblk %llu",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long) __entry->ino,
+ (unsigned long long) __entry->pblk)
+);
+
+TRACE_EVENT(ext4_ext_remove_space,
+ TP_PROTO(struct inode *inode, ext4_lblk_t start, int depth),
+
+ TP_ARGS(inode, start, depth),
+
+ TP_STRUCT__entry(
+ __field( ino_t, ino )
+ __field( dev_t, dev )
+ __field( ext4_lblk_t, start )
+ __field( int, depth )
+ ),
+
+ TP_fast_assign(
+ __entry->ino = inode->i_ino;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->start = start;
+ __entry->depth = depth;
+ ),
+
+ TP_printk("dev %d,%d ino %lu since %u depth %d",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long) __entry->ino,
+ (unsigned) __entry->start,
+ __entry->depth)
+);
+
+TRACE_EVENT(ext4_ext_remove_space_done,
+ TP_PROTO(struct inode *inode, ext4_lblk_t start, int depth,
+ ext4_lblk_t partial, unsigned short eh_entries),
+
+ TP_ARGS(inode, start, depth, partial, eh_entries),
+
+ TP_STRUCT__entry(
+ __field( ino_t, ino )
+ __field( dev_t, dev )
+ __field( ext4_lblk_t, start )
+ __field( int, depth )
+ __field( ext4_lblk_t, partial )
+ __field( unsigned short, eh_entries )
+ ),
+
+ TP_fast_assign(
+ __entry->ino = inode->i_ino;
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->start = start;
+ __entry->depth = depth;
+ __entry->partial = partial;
+ __entry->eh_entries = eh_entries;
+ ),
+
+ TP_printk("dev %d,%d ino %lu since %u depth %d partial %u "
+ "remaining_entries %u",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long) __entry->ino,
+ (unsigned) __entry->start,
+ __entry->depth,
+ (unsigned) __entry->partial,
+ (unsigned short) __entry->eh_entries)
+);
+
#endif /* _TRACE_EXT4_H */
/* This part must be outside protection */
projects / mv-sheeva.git / commitdiff