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Date: Mon, 13 Aug 2007 15:52:25 +0530
From: "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To: alex@...sterfs.com
Cc: linux-ext4@...r.kernel.org,
"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Subject: [PATCH 4/4] Fixes to make it build and run
---
fs/ext4/balloc.c | 37 +++++++++++++++---
fs/ext4/extents.c | 7 +--
fs/ext4/mballoc.c | 96 ++++++++++++++--------------------------------
include/linux/ext4_fs.h | 19 +++++----
4 files changed, 74 insertions(+), 85 deletions(-)
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 55f4be8..012c721 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -626,7 +626,7 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode,
int metadata)
{
struct super_block * sb;
- int freed;
+ unsigned long dquot_freed_blocks;
/* this isn't the right place to decide whether block is metadata
* inode.c/extents.c knows better, but for safety ... */
@@ -637,11 +637,13 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode,
sb = inode->i_sb;
if (!test_opt(sb, MBALLOC) || !EXT4_SB(sb)->s_group_info)
- ext4_free_blocks_sb(handle, sb, block, count, &freed);
+ ext4_free_blocks_sb(handle, sb, block, count,
+ &dquot_freed_blocks);
else
- ext4_mb_free_blocks(handle, inode, block, count, metadata, &freed);
- if (freed)
- DQUOT_FREE_BLOCK(inode, freed);
+ ext4_mb_free_blocks(handle, inode, block, count,
+ metadata, &dquot_freed_blocks);
+ if (dquot_freed_blocks)
+ DQUOT_FREE_BLOCK(inode, dquot_freed_blocks);
return;
}
@@ -1417,7 +1419,7 @@ int ext4_should_retry_alloc(struct super_block *sb, int *retries)
}
/**
- * ext4_new_blocks() -- core block(s) allocation function
+ * ext4_new_blocks_old() -- core block(s) allocation function
* @handle: handle to this transaction
* @inode: file inode
* @goal: given target block(filesystem wide)
@@ -1715,9 +1717,32 @@ ext4_fsblk_t ext4_new_block(handle_t *handle, struct inode *inode,
return ret;
}
+ext4_fsblk_t ext4_new_blocks(handle_t *handle, struct inode *inode,
+ ext4_fsblk_t goal, unsigned long *count, int *errp)
+{
+ struct ext4_allocation_request ar;
+ ext4_fsblk_t ret;
+ if (!test_opt(inode->i_sb, MBALLOC)) {
+ ret = ext4_new_blocks_old(handle, inode, goal, count, errp);
+ return ret;
+ }
+
+ ar.inode = inode;
+ ar.goal = goal;
+ ar.len = *count;
+ ar.logical = 0;
+ ar.lleft = 0;
+ ar.pleft = 0;
+ ar.lright = 0;
+ ar.pright = 0;
+ ar.flags = 0;
+ ret = ext4_mb_new_blocks(handle, &ar, errp);
+ *count = ar.len;
+ return ret;
}
+
/**
* ext4_count_free_blocks() -- count filesystem free blocks
* @sb: superblock
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 8d163d7..392286f 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1863,7 +1863,7 @@ static int ext4_remove_blocks(handle_t *handle, struct inode *inode,
unsigned short ee_len = ext4_ext_get_actual_len(ex);
int i, metadata = 0;
- if (S_ISDIR(tree->inode->i_mode) || S_ISLNK(tree->inode->i_mode))
+ if (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))
metadata = 1;
#ifdef EXTENTS_STATS
{
@@ -2496,14 +2496,13 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
/* find neighbour allocated blocks */
ar.lleft = iblock;
- err = ext4_ext_search_left(&tree, path, &ar.lleft, &ar.pleft);
+ err = ext4_ext_search_left(inode, path, &ar.lleft, &ar.pleft);
if (err)
goto out2;
ar.lright = iblock;
- err = ext4_ext_search_right(&tree, path, &ar.lright, &ar.pright);
+ err = ext4_ext_search_right(inode, path, &ar.lright, &ar.pright);
if (err)
goto out2;
- /* FIXME!! allocated is updated with resepec to ar.pright */
/*
* See if request is beyond maximum number of blocks we can have in
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 5fe758e..a28ba0c 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -24,7 +24,7 @@
#include <linux/time.h>
#include <linux/fs.h>
#include <linux/namei.h>
-#include <linux/ext4_jbd.h>
+#include <linux/ext4_jbd2.h>
#include <linux/jbd.h>
#include <linux/ext4_fs.h>
#include <linux/quotaops.h>
@@ -303,7 +303,7 @@
*/
#define MB_DEFAULT_STRIPE 256
-static kmem_cache_t *ext4_pspace_cachep = NULL;
+static struct kmem_cache *ext4_pspace_cachep = NULL;
#ifdef EXT4_BB_MAX_BLOCKS
#undef EXT4_BB_MAX_BLOCKS
@@ -361,7 +361,7 @@ struct ext4_prealloc_space {
struct ext4_free_extent {
unsigned long fe_logical;
- unsigned long fe_start;
+ ext4_grpblk_t fe_start;
unsigned long fe_group;
unsigned long fe_len;
};
@@ -458,8 +458,8 @@ static struct proc_dir_entry *proc_root_ext4;
int ext4_create (struct inode *, struct dentry *, int, struct nameidata *);
struct buffer_head * read_block_bitmap(struct super_block *, unsigned int);
-unsigned long ext4_new_blocks_old(handle_t *handle, struct inode *inode,
- unsigned long goal, unsigned long *count, int *errp);
+ext4_fsblk_t ext4_new_blocks_old(handle_t *handle, struct inode *inode,
+ ext4_fsblk_t goal, unsigned long *count, int *errp);
void ext4_mb_release_blocks(struct super_block *, int);
void ext4_mb_poll_new_transaction(struct super_block *, handle_t *);
void ext4_mb_free_committed_blocks(struct super_block *);
@@ -473,26 +473,6 @@ void ext4_mb_put_pa(struct ext4_allocation_context *, struct super_block *, stru
int ext4_mb_init_per_dev_proc(struct super_block *sb);
int ext4_mb_destroy_per_dev_proc(struct super_block *sb);
-/*
- * Calculate the block group number and offset, given a block number
- */
-static void ext4_get_group_no_and_offset(struct super_block *sb,
- unsigned long blocknr,
- unsigned long *blockgrpp,
- unsigned long *offsetp)
-{
- struct ext4_super_block *es = EXT4_SB(sb)->s_es;
- unsigned long offset;
-
- blocknr = blocknr - le32_to_cpu(es->s_first_data_block);
- offset = blocknr % EXT4_BLOCKS_PER_GROUP(sb);
- blocknr = blocknr / EXT4_BLOCKS_PER_GROUP(sb);
- if (offsetp)
- *offsetp = offset;
- if (blockgrpp)
- *blockgrpp = blocknr;
-
-}
static inline void
ext4_lock_group(struct super_block *sb, int group)
@@ -1958,13 +1938,13 @@ static int ext4_mb_seq_history_show(struct seq_file *seq, void *v)
if (hs->op == EXT4_MB_HISTORY_ALLOC) {
fmt = "%-5u %-8u %-23s %-23s %-23s %-5u %-5u %-2u "
"%-5u %-5s %-5u %-6u\n";
- sprintf(buf2, "%lu/%lu/%lu@%lu", hs->result.fe_group,
+ sprintf(buf2, "%lu/%d/%lu@%lu", hs->result.fe_group,
hs->result.fe_start, hs->result.fe_len,
hs->result.fe_logical);
- sprintf(buf, "%lu/%lu/%lu@%lu", hs->orig.fe_group,
+ sprintf(buf, "%lu/%d/%lu@%lu", hs->orig.fe_group,
hs->orig.fe_start, hs->orig.fe_len,
hs->orig.fe_logical);
- sprintf(buf3, "%lu/%lu/%lu@%lu", hs->goal.fe_group,
+ sprintf(buf3, "%lu/%d/%lu@%lu", hs->goal.fe_group,
hs->goal.fe_start, hs->goal.fe_len,
hs->goal.fe_logical);
seq_printf(seq, fmt, hs->pid, hs->ino, buf, buf3, buf2,
@@ -1973,20 +1953,20 @@ static int ext4_mb_seq_history_show(struct seq_file *seq, void *v)
hs->buddy ? 1 << hs->buddy : 0);
} else if (hs->op == EXT4_MB_HISTORY_PREALLOC) {
fmt = "%-5u %-8u %-23s %-23s %-23s\n";
- sprintf(buf2, "%lu/%lu/%lu@%lu", hs->result.fe_group,
+ sprintf(buf2, "%lu/%d/%lu@%lu", hs->result.fe_group,
hs->result.fe_start, hs->result.fe_len,
hs->result.fe_logical);
- sprintf(buf, "%lu/%lu/%lu@%lu", hs->orig.fe_group,
+ sprintf(buf, "%lu/%d/%lu@%lu", hs->orig.fe_group,
hs->orig.fe_start, hs->orig.fe_len,
hs->orig.fe_logical);
seq_printf(seq, fmt, hs->pid, hs->ino, buf, "", buf2);
} else if (hs->op == EXT4_MB_HISTORY_DISCARD) {
- sprintf(buf2, "%lu/%lu/%lu", hs->result.fe_group,
+ sprintf(buf2, "%lu/%d/%lu", hs->result.fe_group,
hs->result.fe_start, hs->result.fe_len);
seq_printf(seq, "%-5u %-8u %-23s discard\n",
hs->pid, hs->ino, buf2);
} else if (hs->op == EXT4_MB_HISTORY_FREE) {
- sprintf(buf2, "%lu/%lu/%lu", hs->result.fe_group,
+ sprintf(buf2, "%lu/%d/%lu", hs->result.fe_group,
hs->result.fe_start, hs->result.fe_len);
seq_printf(seq, "%-5u %-8u %-23s free\n",
hs->pid, hs->ino, buf2);
@@ -2809,7 +2789,7 @@ int __init init_ext4_proc(void)
ext4_pspace_cachep =
kmem_cache_create("ext4_prealloc_space",
sizeof(struct ext4_prealloc_space),
- 0, SLAB_RECLAIM_ACCOUNT, NULL, NULL);
+ 0, SLAB_RECLAIM_ACCOUNT, NULL);
if (ext4_pspace_cachep == NULL)
return -ENOMEM;
@@ -3242,7 +3222,7 @@ void ext4_mb_generate_from_pa(struct super_block *sb, void *bitmap, int group)
struct ext4_prealloc_space *pa;
struct list_head *cur;
unsigned long groupnr;
- unsigned long start;
+ ext4_grpblk_t start;
int preallocated = 0, count = 0, len;
/* all form of preallocation discards first load group,
@@ -3348,7 +3328,7 @@ int ext4_mb_new_inode_pa(struct ext4_allocation_context *ac)
BUG_ON(ac->ac_status != AC_STATUS_FOUND);
BUG_ON(!S_ISREG(ac->ac_inode->i_mode));
- pa = kmem_cache_alloc(ext4_pspace_cachep, SLAB_NOFS);
+ pa = kmem_cache_alloc(ext4_pspace_cachep, GFP_NOFS);
if (pa == NULL)
return -ENOMEM;
@@ -3433,7 +3413,7 @@ int ext4_mb_new_group_pa(struct ext4_allocation_context *ac)
BUG_ON(!S_ISREG(ac->ac_inode->i_mode));
BUG_ON(ext4_pspace_cachep == NULL);
- pa = kmem_cache_alloc(ext4_pspace_cachep, SLAB_NOFS);
+ pa = kmem_cache_alloc(ext4_pspace_cachep, GFP_NOFS);
if (pa == NULL)
return -ENOMEM;
@@ -3500,7 +3480,8 @@ int ext4_mb_release_inode_pa(struct ext4_buddy *e3b,
struct ext4_allocation_context ac;
struct super_block *sb = e3b->bd_sb;
struct ext4_sb_info *sbi = EXT4_SB(sb);
- unsigned long bit, end, next, group;
+ unsigned long end, next, group;
+ ext4_grpblk_t bit;
sector_t start;
int err = 0, free = 0;
@@ -3554,7 +3535,8 @@ int ext4_mb_release_group_pa(struct ext4_buddy *e3b,
{
struct ext4_allocation_context ac;
struct super_block *sb = e3b->bd_sb;
- unsigned long bit, group;
+ unsigned long group;
+ ext4_grpblk_t bit;
ac.ac_op = EXT4_MB_HISTORY_DISCARD;
@@ -3873,7 +3855,7 @@ int ext4_mb_initialize_context(struct ext4_allocation_context *ac,
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_super_block *es = sbi->s_es;
unsigned long group, len, goal;
- unsigned long block;
+ ext4_grpblk_t block;
/* we can't allocate > group size */
len = ar->len;
@@ -3988,12 +3970,15 @@ unsigned long ext4_mb_new_blocks(handle_t *handle,
sbi = EXT4_SB(sb);
if (!test_opt(sb, MBALLOC)) {
+#if 0
static int ext4_mballoc_warning = 0;
if (ext4_mballoc_warning++ == 0)
- printk(KERN_ERR "EXT4-fs: multiblock request with "
+ printk(KERN_ERR "EXT3-fs: multiblock request with "
"mballoc disabled!\n");
ar->len = 1;
- block = ext4_new_block_old(handle, ar->inode, ar->goal, errp);
+#endif
+ block = ext4_new_blocks_old(handle, ar->inode, ar->goal,
+ &(ar->len), errp);
return block;
}
@@ -4057,30 +4042,6 @@ out:
}
EXPORT_SYMBOL(ext4_mb_new_blocks);
-int ext4_new_block(handle_t *handle, struct inode *inode,
- unsigned long goal, int *errp)
-{
- struct ext4_allocation_request ar;
- unsigned long ret;
-
- if (!test_opt(inode->i_sb, MBALLOC)) {
- ret = ext4_new_block_old(handle, inode, goal, errp);
- return ret;
- }
-
- ar.inode = inode;
- ar.goal = goal;
- ar.len = 1;
- ar.logical = 0;
- ar.lleft = 0;
- ar.pleft = 0;
- ar.lright = 0;
- ar.pright = 0;
- ar.flags = 0;
- ret = ext4_mb_new_blocks(handle, &ar, errp);
- return ret;
-}
-
void ext4_mb_poll_new_transaction(struct super_block *sb, handle_t *handle)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
@@ -4177,14 +4138,15 @@ int ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e3b,
*/
void ext4_mb_free_blocks(handle_t *handle, struct inode *inode,
unsigned long block, unsigned long count,
- int metadata, int *freed)
+ int metadata, unsigned long *freed)
{
struct buffer_head *bitmap_bh = NULL;
struct super_block *sb = inode->i_sb;
struct ext4_allocation_context ac;
struct ext4_group_desc *gdp;
struct ext4_super_block *es;
- unsigned long bit, overflow;
+ unsigned long overflow;
+ ext4_grpblk_t bit;
struct buffer_head *gd_bh;
unsigned long block_group;
struct ext4_sb_info *sbi;
diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h
index c2e819f..8796e6a 100644
--- a/include/linux/ext4_fs.h
+++ b/include/linux/ext4_fs.h
@@ -20,6 +20,8 @@
#include <linux/blkdev.h>
#include <linux/magic.h>
+#include <linux/ext4_fs_i.h>
+
/*
* The second extended filesystem constants/structures
*/
@@ -70,12 +72,12 @@
struct ext4_allocation_request {
struct inode *inode; /* target inode for block we're allocating */
- unsigned long logical; /* logical block in target inode */
- unsigned long goal; /* phys. target (a hint) */
- unsigned long lleft; /* the closest logical allocated block to the left */
- unsigned long pleft; /* phys. block for ^^^ */
- unsigned long lright; /* the closest logical allocated block to the right */
- unsigned long pright; /* phys. block for ^^^ */
+ ext4_fsblk_t logical; /* logical block in target inode */
+ ext4_fsblk_t goal; /* phys. target (a hint) */
+ ext4_fsblk_t lleft; /* the closest logical allocated block to the left */
+ ext4_fsblk_t pleft; /* phys. block for ^^^ */
+ ext4_fsblk_t lright; /* the closest logical allocated block to the right */
+ ext4_fsblk_t pright; /* phys. block for ^^^ */
unsigned long len; /* how many blocks we want to allocate */
unsigned long flags; /* flags. see above EXT4_MB_HINT_* */
};
@@ -930,7 +932,7 @@ extern ext4_fsblk_t ext4_new_block (handle_t *handle, struct inode *inode,
extern ext4_fsblk_t ext4_new_blocks (handle_t *handle, struct inode *inode,
ext4_fsblk_t goal, unsigned long *count, int *errp);
extern void ext4_free_blocks (handle_t *handle, struct inode *inode,
- ext4_fsblk_t block, unsigned long count);
+ ext4_fsblk_t block, unsigned long count, int metadata);
extern void ext4_free_blocks_sb (handle_t *handle, struct super_block *sb,
ext4_fsblk_t block, unsigned long count,
unsigned long *pdquot_freed_blocks);
@@ -980,7 +982,8 @@ extern void ext4_mb_release_blocks(struct super_block *, int);
extern void ext4_mb_discard_inode_preallocations(struct inode *);
extern int __init init_ext4_proc(void);
extern void exit_ext4_proc(void);
-extern void ext4_mb_free_blocks(handle_t *, struct inode *, unsigned long, unsigned long, int, int *);
+extern void ext4_mb_free_blocks(handle_t *, struct inode *,
+ unsigned long, unsigned long, int, unsigned long *);
/* inode.c */
--
1.5.3.rc4.67.gf9286-dirty
-
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