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-rw-r--r--fs/ext4/super.c68
1 files changed, 39 insertions, 29 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index d062383ea5..c5fcf377ab 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -244,18 +244,25 @@ static struct buffer_head *__ext4_sb_bread_gfp(struct super_block *sb,
struct buffer_head *ext4_sb_bread(struct super_block *sb, sector_t block,
blk_opf_t op_flags)
{
- return __ext4_sb_bread_gfp(sb, block, op_flags, __GFP_MOVABLE);
+ gfp_t gfp = mapping_gfp_constraint(sb->s_bdev->bd_inode->i_mapping,
+ ~__GFP_FS) | __GFP_MOVABLE;
+
+ return __ext4_sb_bread_gfp(sb, block, op_flags, gfp);
}
struct buffer_head *ext4_sb_bread_unmovable(struct super_block *sb,
sector_t block)
{
- return __ext4_sb_bread_gfp(sb, block, 0, 0);
+ gfp_t gfp = mapping_gfp_constraint(sb->s_bdev->bd_inode->i_mapping,
+ ~__GFP_FS);
+
+ return __ext4_sb_bread_gfp(sb, block, 0, gfp);
}
void ext4_sb_breadahead_unmovable(struct super_block *sb, sector_t block)
{
- struct buffer_head *bh = sb_getblk_gfp(sb, block, 0);
+ struct buffer_head *bh = bdev_getblk(sb->s_bdev, block,
+ sb->s_blocksize, GFP_NOWAIT | __GFP_NOWARN);
if (likely(bh)) {
if (trylock_buffer(bh))
@@ -1352,14 +1359,14 @@ static void ext4_put_super(struct super_block *sb)
sync_blockdev(sb->s_bdev);
invalidate_bdev(sb->s_bdev);
- if (sbi->s_journal_bdev) {
+ if (sbi->s_journal_bdev_handle) {
/*
* Invalidate the journal device's buffers. We don't want them
* floating about in memory - the physical journal device may
* hotswapped, and it breaks the `ro-after' testing code.
*/
- sync_blockdev(sbi->s_journal_bdev);
- invalidate_bdev(sbi->s_journal_bdev);
+ sync_blockdev(sbi->s_journal_bdev_handle->bdev);
+ invalidate_bdev(sbi->s_journal_bdev_handle->bdev);
}
ext4_xattr_destroy_cache(sbi->s_ea_inode_cache);
@@ -1647,6 +1654,7 @@ static const struct super_operations ext4_sops = {
};
static const struct export_operations ext4_export_ops = {
+ .encode_fh = generic_encode_ino32_fh,
.fh_to_dentry = ext4_fh_to_dentry,
.fh_to_parent = ext4_fh_to_parent,
.get_parent = ext4_get_parent,
@@ -4234,7 +4242,7 @@ int ext4_calculate_overhead(struct super_block *sb)
* Add the internal journal blocks whether the journal has been
* loaded or not
*/
- if (sbi->s_journal && !sbi->s_journal_bdev)
+ if (sbi->s_journal && !sbi->s_journal_bdev_handle)
overhead += EXT4_NUM_B2C(sbi, sbi->s_journal->j_total_len);
else if (ext4_has_feature_journal(sb) && !sbi->s_journal && j_inum) {
/* j_inum for internal journal is non-zero */
@@ -5671,9 +5679,9 @@ failed_mount:
#endif
fscrypt_free_dummy_policy(&sbi->s_dummy_enc_policy);
brelse(sbi->s_sbh);
- if (sbi->s_journal_bdev) {
- invalidate_bdev(sbi->s_journal_bdev);
- blkdev_put(sbi->s_journal_bdev, sb);
+ if (sbi->s_journal_bdev_handle) {
+ invalidate_bdev(sbi->s_journal_bdev_handle->bdev);
+ bdev_release(sbi->s_journal_bdev_handle);
}
out_fail:
invalidate_bdev(sb->s_bdev);
@@ -5843,12 +5851,13 @@ static journal_t *ext4_open_inode_journal(struct super_block *sb,
return journal;
}
-static struct block_device *ext4_get_journal_blkdev(struct super_block *sb,
+static struct bdev_handle *ext4_get_journal_blkdev(struct super_block *sb,
dev_t j_dev, ext4_fsblk_t *j_start,
ext4_fsblk_t *j_len)
{
struct buffer_head *bh;
struct block_device *bdev;
+ struct bdev_handle *bdev_handle;
int hblock, blocksize;
ext4_fsblk_t sb_block;
unsigned long offset;
@@ -5857,16 +5866,17 @@ static struct block_device *ext4_get_journal_blkdev(struct super_block *sb,
/* see get_tree_bdev why this is needed and safe */
up_write(&sb->s_umount);
- bdev = blkdev_get_by_dev(j_dev, BLK_OPEN_READ | BLK_OPEN_WRITE, sb,
- &fs_holder_ops);
+ bdev_handle = bdev_open_by_dev(j_dev, BLK_OPEN_READ | BLK_OPEN_WRITE,
+ sb, &fs_holder_ops);
down_write(&sb->s_umount);
- if (IS_ERR(bdev)) {
+ if (IS_ERR(bdev_handle)) {
ext4_msg(sb, KERN_ERR,
"failed to open journal device unknown-block(%u,%u) %ld",
- MAJOR(j_dev), MINOR(j_dev), PTR_ERR(bdev));
- return ERR_CAST(bdev);
+ MAJOR(j_dev), MINOR(j_dev), PTR_ERR(bdev_handle));
+ return bdev_handle;
}
+ bdev = bdev_handle->bdev;
blocksize = sb->s_blocksize;
hblock = bdev_logical_block_size(bdev);
if (blocksize < hblock) {
@@ -5913,12 +5923,12 @@ static struct block_device *ext4_get_journal_blkdev(struct super_block *sb,
*j_start = sb_block + 1;
*j_len = ext4_blocks_count(es);
brelse(bh);
- return bdev;
+ return bdev_handle;
out_bh:
brelse(bh);
out_bdev:
- blkdev_put(bdev, sb);
+ bdev_release(bdev_handle);
return ERR_PTR(errno);
}
@@ -5928,14 +5938,14 @@ static journal_t *ext4_open_dev_journal(struct super_block *sb,
journal_t *journal;
ext4_fsblk_t j_start;
ext4_fsblk_t j_len;
- struct block_device *journal_bdev;
+ struct bdev_handle *bdev_handle;
int errno = 0;
- journal_bdev = ext4_get_journal_blkdev(sb, j_dev, &j_start, &j_len);
- if (IS_ERR(journal_bdev))
- return ERR_CAST(journal_bdev);
+ bdev_handle = ext4_get_journal_blkdev(sb, j_dev, &j_start, &j_len);
+ if (IS_ERR(bdev_handle))
+ return ERR_CAST(bdev_handle);
- journal = jbd2_journal_init_dev(journal_bdev, sb->s_bdev, j_start,
+ journal = jbd2_journal_init_dev(bdev_handle->bdev, sb->s_bdev, j_start,
j_len, sb->s_blocksize);
if (IS_ERR(journal)) {
ext4_msg(sb, KERN_ERR, "failed to create device journal");
@@ -5950,14 +5960,14 @@ static journal_t *ext4_open_dev_journal(struct super_block *sb,
goto out_journal;
}
journal->j_private = sb;
- EXT4_SB(sb)->s_journal_bdev = journal_bdev;
+ EXT4_SB(sb)->s_journal_bdev_handle = bdev_handle;
ext4_init_journal_params(sb, journal);
return journal;
out_journal:
jbd2_journal_destroy(journal);
out_bdev:
- blkdev_put(journal_bdev, sb);
+ bdev_release(bdev_handle);
return ERR_PTR(errno);
}
@@ -7142,7 +7152,7 @@ static int ext4_quota_off(struct super_block *sb, int type)
}
EXT4_I(inode)->i_flags &= ~(EXT4_NOATIME_FL | EXT4_IMMUTABLE_FL);
inode_set_flags(inode, 0, S_NOATIME | S_IMMUTABLE);
- inode->i_mtime = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode, inode_set_ctime_current(inode));
err = ext4_mark_inode_dirty(handle, inode);
ext4_journal_stop(handle);
out_unlock:
@@ -7315,12 +7325,12 @@ static inline int ext3_feature_set_ok(struct super_block *sb)
static void ext4_kill_sb(struct super_block *sb)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
- struct block_device *journal_bdev = sbi ? sbi->s_journal_bdev : NULL;
+ struct bdev_handle *handle = sbi ? sbi->s_journal_bdev_handle : NULL;
kill_block_super(sb);
- if (journal_bdev)
- blkdev_put(journal_bdev, sb);
+ if (handle)
+ bdev_release(handle);
}
static struct file_system_type ext4_fs_type = {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 06:42:13 +0000