summaryrefslogtreecommitdiff
path: root/fs/ext4
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/extents.c3
-rw-r--r--fs/ext4/fsync.c5
-rw-r--r--fs/ext4/ialloc.c7
-rw-r--r--fs/ext4/inode.c17
-rw-r--r--fs/ext4/mballoc.c3
-rw-r--r--fs/ext4/namei.c2
-rw-r--r--fs/ext4/resize.c5
-rw-r--r--fs/ext4/super.c19
8 files changed, 22 insertions, 39 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index a17a676a3106..0554c48cb1fd 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2498,8 +2498,7 @@ static int ext4_ext_zeroout(struct inode *inode, struct ext4_extent *ex)
ee_len = ext4_ext_get_actual_len(ex);
ee_pblock = ext4_ext_pblock(ex);
- ret = sb_issue_zeroout(inode->i_sb, ee_pblock, ee_len,
- GFP_NOFS, BLKDEV_IFL_WAIT);
+ ret = sb_issue_zeroout(inode->i_sb, ee_pblock, ee_len, GFP_NOFS);
if (ret > 0)
ret = 0;
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 1c701f635961..c1a7bc923cf6 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -211,10 +211,9 @@ int ext4_sync_file(struct file *file, int datasync)
(journal->j_fs_dev != journal->j_dev) &&
(journal->j_flags & JBD2_BARRIER))
blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL,
- NULL, BLKDEV_IFL_WAIT);
+ NULL);
ret = jbd2_log_wait_commit(journal, commit_tid);
} else if (journal->j_flags & JBD2_BARRIER)
- blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL,
- BLKDEV_IFL_WAIT);
+ blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
return ret;
}
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 509f429f71e8..1ce240a23ebb 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -1239,7 +1239,6 @@ extern int ext4_init_inode_table(struct super_block *sb, ext4_group_t group,
handle_t *handle;
ext4_fsblk_t blk;
int num, ret = 0, used_blks = 0;
- unsigned long flags = BLKDEV_IFL_WAIT;
/* This should not happen, but just to be sure check this */
if (sb->s_flags & MS_RDONLY) {
@@ -1304,11 +1303,11 @@ extern int ext4_init_inode_table(struct super_block *sb, ext4_group_t group,
ext4_debug("going to zero out inode table in group %d\n",
group);
- if (barrier)
- flags |= BLKDEV_IFL_BARRIER;
- ret = sb_issue_zeroout(sb, blk, num, GFP_NOFS, flags);
+ ret = sb_issue_zeroout(sb, blk, num, GFP_NOFS);
if (ret < 0)
goto err_out;
+ if (barrier)
+ blkdev_issue_flush(sb->s_bdev, GFP_NOFS, NULL);
skip_zeroout:
ext4_lock_group(sb, group);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 3ba237b0b2aa..2d6c6c8c036d 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1551,10 +1551,10 @@ static int do_journal_get_write_access(handle_t *handle,
if (!buffer_mapped(bh) || buffer_freed(bh))
return 0;
/*
- * __block_prepare_write() could have dirtied some buffers. Clean
+ * __block_write_begin() could have dirtied some buffers. Clean
* the dirty bit as jbd2_journal_get_write_access() could complain
* otherwise about fs integrity issues. Setting of the dirty bit
- * by __block_prepare_write() isn't a real problem here as we clear
+ * by __block_write_begin() isn't a real problem here as we clear
* the bit before releasing a page lock and thus writeback cannot
* ever write the buffer.
*/
@@ -2065,11 +2065,11 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd,
/*
* If the page does not have buffers (for
* whatever reason), try to create them using
- * block_prepare_write. If this fails,
+ * __block_write_begin. If this fails,
* redirty the page and move on.
*/
if (!page_has_buffers(page)) {
- if (block_prepare_write(page, 0, len,
+ if (__block_write_begin(page, 0, len,
noalloc_get_block_write)) {
redirty_page:
redirty_page_for_writepage(mpd->wbc,
@@ -2550,8 +2550,7 @@ static int ext4_da_get_block_prep(struct inode *inode, sector_t iblock,
if (buffer_delay(bh))
return 0; /* Not sure this could or should happen */
/*
- * XXX: __block_prepare_write() unmaps passed block,
- * is it OK?
+ * XXX: __block_write_begin() unmaps passed block, is it OK?
*/
ret = ext4_da_reserve_space(inode, iblock);
if (ret)
@@ -2583,7 +2582,7 @@ static int ext4_da_get_block_prep(struct inode *inode, sector_t iblock,
/*
* This function is used as a standard get_block_t calback function
* when there is no desire to allocate any blocks. It is used as a
- * callback function for block_prepare_write() and block_write_full_page().
+ * callback function for block_write_begin() and block_write_full_page().
* These functions should only try to map a single block at a time.
*
* Since this function doesn't do block allocations even if the caller
@@ -2716,11 +2715,11 @@ static int ext4_writepage(struct page *page,
/*
* If the page does not have buffers (for whatever reason),
- * try to create them using block_prepare_write. If this
+ * try to create them using __block_write_begin. If this
* fails, redirty the page and move on.
*/
if (!page_buffers(page)) {
- if (block_prepare_write(page, 0, len,
+ if (__block_write_begin(page, 0, len,
noalloc_get_block_write)) {
redirty_page:
redirty_page_for_writepage(wbc, page);
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 328ea9cec57b..c58eba34724a 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2386,6 +2386,7 @@ static int ext4_mb_init_backend(struct super_block *sb)
printk(KERN_ERR "EXT4-fs: can't get new inode\n");
goto err_freesgi;
}
+ sbi->s_buddy_cache->i_ino = get_next_ino();
EXT4_I(sbi->s_buddy_cache)->i_disksize = 0;
for (i = 0; i < ngroups; i++) {
desc = ext4_get_group_desc(sb, i, NULL);
@@ -2613,7 +2614,7 @@ static inline int ext4_issue_discard(struct super_block *sb,
discard_block = block + ext4_group_first_block_no(sb, block_group);
trace_ext4_discard_blocks(sb,
(unsigned long long) discard_block, count);
- ret = sb_issue_discard(sb, discard_block, count);
+ ret = sb_issue_discard(sb, discard_block, count, GFP_NOFS, 0);
if (ret == -EOPNOTSUPP) {
ext4_warning(sb, "discard not supported, disabling");
clear_opt(EXT4_SB(sb)->s_mount_opt, DISCARD);
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 86a7870babbd..92203b8a099f 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2303,7 +2303,7 @@ retry:
inode->i_ctime = ext4_current_time(inode);
ext4_inc_count(handle, inode);
- atomic_inc(&inode->i_count);
+ ihold(inode);
err = ext4_add_entry(handle, dentry, inode);
if (!err) {
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index f398474e2784..dc963929de65 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -229,7 +229,7 @@ static int setup_new_group_blocks(struct super_block *sb,
ext4_debug("clear inode table blocks %#04llx -> %#04llx\n",
block, sbi->s_itb_per_group);
err = sb_issue_zeroout(sb, gdblocks + start + 1, reserved_gdb,
- GFP_NOFS, BLKDEV_IFL_WAIT);
+ GFP_NOFS);
if (err)
goto exit_bh;
@@ -244,8 +244,7 @@ static int setup_new_group_blocks(struct super_block *sb,
block = input->inode_table;
ext4_debug("clear inode table blocks %#04llx -> %#04llx\n",
block, sbi->s_itb_per_group);
- err = sb_issue_zeroout(sb, block, sbi->s_itb_per_group,
- GFP_NOFS, BLKDEV_IFL_WAIT);
+ err = sb_issue_zeroout(sb, block, sbi->s_itb_per_group, GFP_NOFS);
if (err)
goto exit_bh;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3b4984d37a68..0348ce066592 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -26,7 +26,6 @@
#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/parser.h>
-#include <linux/smp_lock.h>
#include <linux/buffer_head.h>
#include <linux/exportfs.h>
#include <linux/vfs.h>
@@ -717,7 +716,6 @@ static void ext4_put_super(struct super_block *sb)
destroy_workqueue(sbi->dio_unwritten_wq);
lock_super(sb);
- lock_kernel();
if (sb->s_dirt)
ext4_commit_super(sb, 1);
@@ -785,7 +783,6 @@ static void ext4_put_super(struct super_block *sb)
* Now that we are completely done shutting down the
* superblock, we need to actually destroy the kobject.
*/
- unlock_kernel();
unlock_super(sb);
kobject_put(&sbi->s_kobj);
wait_for_completion(&sbi->s_kobj_unregister);
@@ -3018,8 +3015,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_sectors_written_start =
part_stat_read(sb->s_bdev->bd_part, sectors[1]);
- unlock_kernel();
-
/* Cleanup superblock name */
for (cp = sb->s_id; (cp = strchr(cp, '/'));)
*cp = '!';
@@ -3262,15 +3257,13 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
* Test whether we have more sectors than will fit in sector_t,
* and whether the max offset is addressable by the page cache.
*/
- if ((ext4_blocks_count(es) >
- (sector_t)(~0ULL) >> (sb->s_blocksize_bits - 9)) ||
- (ext4_blocks_count(es) >
- (pgoff_t)(~0ULL) >> (PAGE_CACHE_SHIFT - sb->s_blocksize_bits))) {
+ ret = generic_check_addressable(sb->s_blocksize_bits,
+ ext4_blocks_count(es));
+ if (ret) {
ext4_msg(sb, KERN_ERR, "filesystem"
" too large to mount safely on this system");
if (sizeof(sector_t) < 8)
ext4_msg(sb, KERN_WARNING, "CONFIG_LBDAF not enabled");
- ret = -EFBIG;
goto failed_mount;
}
@@ -3601,7 +3594,6 @@ no_journal:
if (es->s_error_count)
mod_timer(&sbi->s_err_report, jiffies + 300*HZ); /* 5 minutes */
- lock_kernel();
kfree(orig_data);
return 0;
@@ -3648,7 +3640,6 @@ out_fail:
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
kfree(sbi);
- lock_kernel();
out_free_orig:
kfree(orig_data);
return ret;
@@ -4160,8 +4151,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
#endif
char *orig_data = kstrdup(data, GFP_KERNEL);
- lock_kernel();
-
/* Store the original options */
lock_super(sb);
old_sb_flags = sb->s_flags;
@@ -4309,7 +4298,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
kfree(old_opts.s_qf_names[i]);
#endif
unlock_super(sb);
- unlock_kernel();
if (enable_quota)
dquot_resume(sb, -1);
@@ -4335,7 +4323,6 @@ restore_opts:
}
#endif
unlock_super(sb);
- unlock_kernel();
kfree(orig_data);
return err;
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2025-01-01 00:28:40 +0000