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-rw-r--r--fs/ext4/balloc.c2
-rw-r--r--fs/ext4/extents.c3
-rw-r--r--fs/ext4/inode.c55
-rw-r--r--fs/ext4/page-io.c12
-rw-r--r--fs/ext4/super.c23
5 files changed, 36 insertions, 59 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index f6dba4505f1..12ccacda44e 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -565,7 +565,7 @@ ext4_fsblk_t ext4_count_free_clusters(struct super_block *sb)
brelse(bitmap_bh);
printk(KERN_DEBUG "ext4_count_free_clusters: stored = %llu"
", computed = %llu, %llu\n",
- EXT4_B2C(sbi, ext4_free_blocks_count(es)),
+ EXT4_B2C(EXT4_SB(sb), ext4_free_blocks_count(es)),
desc_count, bitmap_count);
return bitmap_count;
#else
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 61fa9e1614a..607b1557d29 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1095,7 +1095,7 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
le32_to_cpu(EXT_FIRST_INDEX(neh)->ei_block),
ext4_idx_pblock(EXT_FIRST_INDEX(neh)));
- neh->eh_depth = cpu_to_le16(neh->eh_depth + 1);
+ neh->eh_depth = cpu_to_le16(le16_to_cpu(neh->eh_depth) + 1);
ext4_mark_inode_dirty(handle, inode);
out:
brelse(bh);
@@ -2955,7 +2955,6 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
/* Pre-conditions */
BUG_ON(!ext4_ext_is_uninitialized(ex));
BUG_ON(!in_range(map->m_lblk, ee_block, ee_len));
- BUG_ON(map->m_lblk + map->m_len > ee_block + ee_len);
/*
* Attempt to transfer newly initialized blocks from the currently
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 240f6e2dc7e..92655fd8965 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1339,8 +1339,11 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd,
clear_buffer_unwritten(bh);
}
- /* skip page if block allocation undone */
- if (buffer_delay(bh) || buffer_unwritten(bh))
+ /*
+ * skip page if block allocation undone and
+ * block is dirty
+ */
+ if (ext4_bh_delay_or_unwritten(NULL, bh))
skip_page = 1;
bh = bh->b_this_page;
block_start += bh->b_size;
@@ -2270,6 +2273,7 @@ retry:
ext4_msg(inode->i_sb, KERN_CRIT, "%s: jbd2_start: "
"%ld pages, ino %lu; err %d", __func__,
wbc->nr_to_write, inode->i_ino, ret);
+ blk_finish_plug(&plug);
goto out_writepages;
}
@@ -2386,7 +2390,6 @@ static int ext4_da_write_begin(struct file *file, struct address_space *mapping,
pgoff_t index;
struct inode *inode = mapping->host;
handle_t *handle;
- loff_t page_len;
index = pos >> PAGE_CACHE_SHIFT;
@@ -2433,13 +2436,6 @@ retry:
*/
if (pos + len > inode->i_size)
ext4_truncate_failed_write(inode);
- } else {
- page_len = pos & (PAGE_CACHE_SIZE - 1);
- if (page_len > 0) {
- ret = ext4_discard_partial_page_buffers_no_lock(handle,
- inode, page, pos - page_len, page_len,
- EXT4_DISCARD_PARTIAL_PG_ZERO_UNMAPPED);
- }
}
if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries))
@@ -2482,7 +2478,6 @@ static int ext4_da_write_end(struct file *file,
loff_t new_i_size;
unsigned long start, end;
int write_mode = (int)(unsigned long)fsdata;
- loff_t page_len;
if (write_mode == FALL_BACK_TO_NONDELALLOC) {
if (ext4_should_order_data(inode)) {
@@ -2507,7 +2502,7 @@ static int ext4_da_write_end(struct file *file,
*/
new_i_size = pos + copied;
- if (new_i_size > EXT4_I(inode)->i_disksize) {
+ if (copied && new_i_size > EXT4_I(inode)->i_disksize) {
if (ext4_da_should_update_i_disksize(page, end)) {
down_write(&EXT4_I(inode)->i_data_sem);
if (new_i_size > EXT4_I(inode)->i_disksize) {
@@ -2531,16 +2526,6 @@ static int ext4_da_write_end(struct file *file,
}
ret2 = generic_write_end(file, mapping, pos, len, copied,
page, fsdata);
-
- page_len = PAGE_CACHE_SIZE -
- ((pos + copied - 1) & (PAGE_CACHE_SIZE - 1));
-
- if (page_len > 0) {
- ret = ext4_discard_partial_page_buffers_no_lock(handle,
- inode, page, pos + copied - 1, page_len,
- EXT4_DISCARD_PARTIAL_PG_ZERO_UNMAPPED);
- }
-
copied = ret2;
if (ret2 < 0)
ret = ret2;
@@ -2780,10 +2765,11 @@ static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset,
iocb->private, io_end->inode->i_ino, iocb, offset,
size);
+ iocb->private = NULL;
+
/* if not aio dio with unwritten extents, just free io and return */
if (!(io_end->flag & EXT4_IO_END_UNWRITTEN)) {
ext4_free_io_end(io_end);
- iocb->private = NULL;
out:
if (is_async)
aio_complete(iocb, ret, 0);
@@ -2807,7 +2793,6 @@ out:
/* queue the work to convert unwritten extents to written */
queue_work(wq, &io_end->work);
- iocb->private = NULL;
/* XXX: probably should move into the real I/O completion handler */
inode_dio_done(inode);
@@ -3202,26 +3187,8 @@ int ext4_discard_partial_page_buffers_no_lock(handle_t *handle,
iblock = index << (PAGE_CACHE_SHIFT - inode->i_sb->s_blocksize_bits);
- if (!page_has_buffers(page)) {
- /*
- * If the range to be discarded covers a partial block
- * we need to get the page buffers. This is because
- * partial blocks cannot be released and the page needs
- * to be updated with the contents of the block before
- * we write the zeros on top of it.
- */
- if ((from & (blocksize - 1)) ||
- ((from + length) & (blocksize - 1))) {
- create_empty_buffers(page, blocksize, 0);
- } else {
- /*
- * If there are no partial blocks,
- * there is nothing to update,
- * so we can return now
- */
- return 0;
- }
- }
+ if (!page_has_buffers(page))
+ create_empty_buffers(page, blocksize, 0);
/* Find the buffer that contains "offset" */
bh = page_buffers(page);
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 7ce1d0b19c9..7e106c810c6 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -385,6 +385,18 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
block_end = block_start + blocksize;
if (block_start >= len) {
+ /*
+ * Comments copied from block_write_full_page_endio:
+ *
+ * The page straddles i_size. It must be zeroed out on
+ * each and every writepage invocation because it may
+ * be mmapped. "A file is mapped in multiples of the
+ * page size. For a file that is not a multiple of
+ * the page size, the remaining memory is zeroed when
+ * mapped, and writes to that region are not written
+ * out to the file."
+ */
+ zero_user_segment(page, block_start, block_end);
clear_buffer_dirty(bh);
set_buffer_uptodate(bh);
continue;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9953d80145a..3e1329e2f82 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1155,9 +1155,9 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
seq_puts(seq, ",block_validity");
if (!test_opt(sb, INIT_INODE_TABLE))
- seq_puts(seq, ",noinit_inode_table");
+ seq_puts(seq, ",noinit_itable");
else if (sbi->s_li_wait_mult != EXT4_DEF_LI_WAIT_MULT)
- seq_printf(seq, ",init_inode_table=%u",
+ seq_printf(seq, ",init_itable=%u",
(unsigned) sbi->s_li_wait_mult);
ext4_show_quota_options(seq, sb);
@@ -1333,8 +1333,7 @@ enum {
Opt_nomblk_io_submit, Opt_block_validity, Opt_noblock_validity,
Opt_inode_readahead_blks, Opt_journal_ioprio,
Opt_dioread_nolock, Opt_dioread_lock,
- Opt_discard, Opt_nodiscard,
- Opt_init_inode_table, Opt_noinit_inode_table,
+ Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
};
static const match_table_t tokens = {
@@ -1407,9 +1406,9 @@ static const match_table_t tokens = {
{Opt_dioread_lock, "dioread_lock"},
{Opt_discard, "discard"},
{Opt_nodiscard, "nodiscard"},
- {Opt_init_inode_table, "init_itable=%u"},
- {Opt_init_inode_table, "init_itable"},
- {Opt_noinit_inode_table, "noinit_itable"},
+ {Opt_init_itable, "init_itable=%u"},
+ {Opt_init_itable, "init_itable"},
+ {Opt_noinit_itable, "noinit_itable"},
{Opt_err, NULL},
};
@@ -1683,7 +1682,9 @@ static int parse_options(char *options, struct super_block *sb,
data_opt = EXT4_MOUNT_WRITEBACK_DATA;
datacheck:
if (is_remount) {
- if (test_opt(sb, DATA_FLAGS) != data_opt) {
+ if (!sbi->s_journal)
+ ext4_msg(sb, KERN_WARNING, "Remounting file system with no journal so ignoring journalled data option");
+ else if (test_opt(sb, DATA_FLAGS) != data_opt) {
ext4_msg(sb, KERN_ERR,
"Cannot change data mode on remount");
return 0;
@@ -1890,7 +1891,7 @@ set_qf_format:
case Opt_dioread_lock:
clear_opt(sb, DIOREAD_NOLOCK);
break;
- case Opt_init_inode_table:
+ case Opt_init_itable:
set_opt(sb, INIT_INODE_TABLE);
if (args[0].from) {
if (match_int(&args[0], &option))
@@ -1901,7 +1902,7 @@ set_qf_format:
return 0;
sbi->s_li_wait_mult = option;
break;
- case Opt_noinit_inode_table:
+ case Opt_noinit_itable:
clear_opt(sb, INIT_INODE_TABLE);
break;
default:
@@ -3099,8 +3100,6 @@ static void ext4_destroy_lazyinit_thread(void)
}
static int ext4_fill_super(struct super_block *sb, void *data, int silent)
- __releases(kernel_lock)
- __acquires(kernel_lock)
{
char *orig_data = kstrdup(data, GFP_KERNEL);
struct buffer_head *bh;
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-15 02:28:38 +0000