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-rw-r--r--fs/ext4/balloc.c12
-rw-r--r--fs/ext4/ext4.h7
-rw-r--r--fs/ext4/ext4_i.h2
-rw-r--r--fs/ext4/ext4_sb.h2
-rw-r--r--fs/ext4/inode.c20
-rw-r--r--fs/ext4/mballoc.c78
-rw-r--r--fs/jbd2/commit.c3
-rw-r--r--include/linux/jbd2.h2
8 files changed, 72 insertions, 54 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 9cc80b9cc8d8..b2bdef0234c5 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -409,8 +409,7 @@ restart:
prev = rsv;
}
printk("Window map complete.\n");
- if (bad)
- BUG();
+ BUG_ON(bad);
}
#define rsv_window_dump(root, verbose) \
__rsv_window_dump((root), (verbose), __func__)
@@ -1936,7 +1935,8 @@ ext4_fsblk_t ext4_new_block(handle_t *handle, struct inode *inode,
}
ext4_fsblk_t ext4_new_blocks(handle_t *handle, struct inode *inode,
- ext4_fsblk_t goal, unsigned long *count, int *errp)
+ ext4_lblk_t iblock, ext4_fsblk_t goal,
+ unsigned long *count, int *errp)
{
struct ext4_allocation_request ar;
ext4_fsblk_t ret;
@@ -1950,6 +1950,12 @@ ext4_fsblk_t ext4_new_blocks(handle_t *handle, struct inode *inode,
ar.inode = inode;
ar.goal = goal;
ar.len = *count;
+ ar.logical = iblock;
+ if (S_ISREG(inode->i_mode))
+ ar.flags = EXT4_MB_HINT_DATA;
+ else
+ /* disable in-core preallocation for non-regular files */
+ ar.flags = 0;
ret = ext4_mb_new_blocks(handle, &ar, errp);
*count = ar.len;
return ret;
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 8158083f7ac0..b7ffb91eb832 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -22,7 +22,7 @@
#include "ext4_i.h"
/*
- * The second extended filesystem constants/structures
+ * The fourth extended filesystem constants/structures
*/
/*
@@ -960,8 +960,9 @@ extern unsigned long ext4_bg_num_gdb(struct super_block *sb,
ext4_group_t group);
extern ext4_fsblk_t ext4_new_block (handle_t *handle, struct inode *inode,
ext4_fsblk_t goal, int *errp);
-extern ext4_fsblk_t ext4_new_blocks (handle_t *handle, struct inode *inode,
- ext4_fsblk_t goal, unsigned long *count, int *errp);
+extern ext4_fsblk_t ext4_new_blocks(handle_t *handle, struct inode *inode,
+ ext4_lblk_t iblock, ext4_fsblk_t goal,
+ unsigned long *count, int *errp);
extern ext4_fsblk_t ext4_new_blocks_old(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,
diff --git a/fs/ext4/ext4_i.h b/fs/ext4/ext4_i.h
index 26a4ae255d79..abf2744164e0 100644
--- a/fs/ext4/ext4_i.h
+++ b/fs/ext4/ext4_i.h
@@ -79,7 +79,7 @@ struct ext4_ext_cache {
};
/*
- * third extended file system inode data in memory
+ * fourth extended file system inode data in memory
*/
struct ext4_inode_info {
__le32 i_data[15]; /* unconverted */
diff --git a/fs/ext4/ext4_sb.h b/fs/ext4/ext4_sb.h
index 5802e69f2191..4de9a75ca6af 100644
--- a/fs/ext4/ext4_sb.h
+++ b/fs/ext4/ext4_sb.h
@@ -25,7 +25,7 @@
#include <linux/rbtree.h>
/*
- * third extended-fs super-block data in memory
+ * fourth extended-fs super-block data in memory
*/
struct ext4_sb_info {
unsigned long s_desc_size; /* Size of a group descriptor in bytes */
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 8d9707746413..0d1923e51bff 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -508,8 +508,9 @@ static int ext4_blks_to_allocate(Indirect *branch, int k, unsigned long blks,
* direct blocks
*/
static int ext4_alloc_blocks(handle_t *handle, struct inode *inode,
- ext4_fsblk_t goal, int indirect_blks, int blks,
- ext4_fsblk_t new_blocks[4], int *err)
+ ext4_lblk_t iblock, ext4_fsblk_t goal,
+ int indirect_blks, int blks,
+ ext4_fsblk_t new_blocks[4], int *err)
{
int target, i;
unsigned long count = 0;
@@ -530,7 +531,8 @@ static int ext4_alloc_blocks(handle_t *handle, struct inode *inode,
while (1) {
count = target;
/* allocating blocks for indirect blocks and direct blocks */
- current_block = ext4_new_blocks(handle,inode,goal,&count,err);
+ current_block = ext4_new_blocks(handle, inode, iblock,
+ goal, &count, err);
if (*err)
goto failed_out;
@@ -584,8 +586,9 @@ failed_out:
* as described above and return 0.
*/
static int ext4_alloc_branch(handle_t *handle, struct inode *inode,
- int indirect_blks, int *blks, ext4_fsblk_t goal,
- ext4_lblk_t *offsets, Indirect *branch)
+ ext4_lblk_t iblock, int indirect_blks,
+ int *blks, ext4_fsblk_t goal,
+ ext4_lblk_t *offsets, Indirect *branch)
{
int blocksize = inode->i_sb->s_blocksize;
int i, n = 0;
@@ -595,7 +598,7 @@ static int ext4_alloc_branch(handle_t *handle, struct inode *inode,
ext4_fsblk_t new_blocks[4];
ext4_fsblk_t current_block;
- num = ext4_alloc_blocks(handle, inode, goal, indirect_blks,
+ num = ext4_alloc_blocks(handle, inode, iblock, goal, indirect_blks,
*blks, new_blocks, &err);
if (err)
return err;
@@ -855,8 +858,9 @@ int ext4_get_blocks_handle(handle_t *handle, struct inode *inode,
/*
* Block out ext4_truncate while we alter the tree
*/
- err = ext4_alloc_branch(handle, inode, indirect_blks, &count, goal,
- offsets + (partial - chain), partial);
+ err = ext4_alloc_branch(handle, inode, iblock, indirect_blks,
+ &count, goal,
+ offsets + (partial - chain), partial);
/*
* The ext4_splice_branch call will free and forget any buffers
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index c9900aade150..789719384be7 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1730,10 +1730,6 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac)
ac->ac_g_ex.fe_start = sbi->s_mb_last_start;
spin_unlock(&sbi->s_md_lock);
}
-
- /* searching for the right group start from the goal value specified */
- group = ac->ac_g_ex.fe_group;
-
/* Let's just scan groups to find more-less suitable blocks */
cr = ac->ac_2order ? 0 : 1;
/*
@@ -1743,6 +1739,12 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac)
repeat:
for (; cr < 4 && ac->ac_status == AC_STATUS_CONTINUE; cr++) {
ac->ac_criteria = cr;
+ /*
+ * searching for the right group start
+ * from the goal value specified
+ */
+ group = ac->ac_g_ex.fe_group;
+
for (i = 0; i < EXT4_SB(sb)->s_groups_count; group++, i++) {
struct ext4_group_info *grp;
struct ext4_group_desc *desc;
@@ -2575,25 +2577,24 @@ ext4_mb_free_committed_blocks(struct super_block *sb)
-#define MB_PROC_VALUE_READ(name) \
-static int ext4_mb_read_##name(char *page, char **start, \
- off_t off, int count, int *eof, void *data) \
+#define MB_PROC_FOPS(name) \
+static int ext4_mb_##name##_proc_show(struct seq_file *m, void *v) \
{ \
- struct ext4_sb_info *sbi = data; \
- int len; \
- *eof = 1; \
- if (off != 0) \
- return 0; \
- len = sprintf(page, "%ld\n", sbi->s_mb_##name); \
- *start = page; \
- return len; \
-}
-
-#define MB_PROC_VALUE_WRITE(name) \
-static int ext4_mb_write_##name(struct file *file, \
- const char __user *buf, unsigned long cnt, void *data) \
+ struct ext4_sb_info *sbi = m->private; \
+ \
+ seq_printf(m, "%ld\n", sbi->s_mb_##name); \
+ return 0; \
+} \
+ \
+static int ext4_mb_##name##_proc_open(struct inode *inode, struct file *file)\
+{ \
+ return single_open(file, ext4_mb_##name##_proc_show, PDE(inode)->data);\
+} \
+ \
+static ssize_t ext4_mb_##name##_proc_write(struct file *file, \
+ const char __user *buf, size_t cnt, loff_t *ppos) \
{ \
- struct ext4_sb_info *sbi = data; \
+ struct ext4_sb_info *sbi = PDE(file->f_path.dentry->d_inode)->data;\
char str[32]; \
long value; \
if (cnt >= sizeof(str)) \
@@ -2605,31 +2606,32 @@ static int ext4_mb_write_##name(struct file *file, \
return -ERANGE; \
sbi->s_mb_##name = value; \
return cnt; \
-}
+} \
+ \
+static const struct file_operations ext4_mb_##name##_proc_fops = { \
+ .owner = THIS_MODULE, \
+ .open = ext4_mb_##name##_proc_open, \
+ .read = seq_read, \
+ .llseek = seq_lseek, \
+ .release = single_release, \
+ .write = ext4_mb_##name##_proc_write, \
+};
-MB_PROC_VALUE_READ(stats);
-MB_PROC_VALUE_WRITE(stats);
-MB_PROC_VALUE_READ(max_to_scan);
-MB_PROC_VALUE_WRITE(max_to_scan);
-MB_PROC_VALUE_READ(min_to_scan);
-MB_PROC_VALUE_WRITE(min_to_scan);
-MB_PROC_VALUE_READ(order2_reqs);
-MB_PROC_VALUE_WRITE(order2_reqs);
-MB_PROC_VALUE_READ(stream_request);
-MB_PROC_VALUE_WRITE(stream_request);
-MB_PROC_VALUE_READ(group_prealloc);
-MB_PROC_VALUE_WRITE(group_prealloc);
+MB_PROC_FOPS(stats);
+MB_PROC_FOPS(max_to_scan);
+MB_PROC_FOPS(min_to_scan);
+MB_PROC_FOPS(order2_reqs);
+MB_PROC_FOPS(stream_request);
+MB_PROC_FOPS(group_prealloc);
#define MB_PROC_HANDLER(name, var) \
do { \
- proc = create_proc_entry(name, mode, sbi->s_mb_proc); \
+ proc = proc_create_data(name, mode, sbi->s_mb_proc, \
+ &ext4_mb_##var##_proc_fops, sbi); \
if (proc == NULL) { \
printk(KERN_ERR "EXT4-fs: can't to create %s\n", name); \
goto err_out; \
} \
- proc->data = sbi; \
- proc->read_proc = ext4_mb_read_##var ; \
- proc->write_proc = ext4_mb_write_##var; \
} while (0)
static int ext4_mb_init_per_dev_proc(struct super_block *sb)
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index a2ed72f7ceee..92b6ac3df8ab 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -112,6 +112,7 @@ static int journal_submit_commit_record(journal_t *journal,
struct buffer_head *bh;
int ret;
int barrier_done = 0;
+ struct timespec now = current_kernel_time();
if (is_journal_aborted(journal))
return 0;
@@ -126,6 +127,8 @@ static int journal_submit_commit_record(journal_t *journal,
tmp->h_magic = cpu_to_be32(JBD2_MAGIC_NUMBER);
tmp->h_blocktype = cpu_to_be32(JBD2_COMMIT_BLOCK);
tmp->h_sequence = cpu_to_be32(commit_transaction->t_tid);
+ tmp->h_commit_sec = cpu_to_be64(now.tv_sec);
+ tmp->h_commit_nsec = cpu_to_be32(now.tv_nsec);
if (JBD2_HAS_COMPAT_FEATURE(journal,
JBD2_FEATURE_COMPAT_CHECKSUM)) {
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index d147f0f90360..ec9cadf58227 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -168,6 +168,8 @@ struct commit_header {
unsigned char h_chksum_size;
unsigned char h_padding[2];
__be32 h_chksum[JBD2_CHECKSUM_BYTES];
+ __be64 h_commit_sec;
+ __be32 h_commit_nsec;
};
/*
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-04 23:49:48 +0000