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-rw-r--r--fs/btrfs/file.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 3868eb6a17f3..6dd68197419d 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1645,6 +1645,7 @@ static noinline ssize_t btrfs_buffered_write(struct kiocb *iocb,
break;
}
+ only_release_metadata = false;
sector_offset = pos & (fs_info->sectorsize - 1);
reserve_bytes = round_up(write_bytes + sector_offset,
fs_info->sectorsize);
@@ -1701,7 +1702,7 @@ again:
force_page_uptodate);
if (ret) {
btrfs_delalloc_release_extents(BTRFS_I(inode),
- reserve_bytes, true);
+ reserve_bytes);
break;
}
@@ -1713,7 +1714,7 @@ again:
if (extents_locked == -EAGAIN)
goto again;
btrfs_delalloc_release_extents(BTRFS_I(inode),
- reserve_bytes, true);
+ reserve_bytes);
ret = extents_locked;
break;
}
@@ -1781,8 +1782,7 @@ again:
else
free_extent_state(cached_state);
- btrfs_delalloc_release_extents(BTRFS_I(inode), reserve_bytes,
- true);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), reserve_bytes);
if (ret) {
btrfs_drop_pages(pages, num_pages);
break;
@@ -1801,7 +1801,6 @@ again:
set_extent_bit(&BTRFS_I(inode)->io_tree, lockstart,
lockend, EXTENT_NORESERVE, NULL,
NULL, GFP_NOFS);
- only_release_metadata = false;
}
btrfs_drop_pages(pages, num_pages);
@@ -1913,9 +1912,10 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
(iocb->ki_flags & IOCB_NOWAIT))
return -EOPNOTSUPP;
- if (!inode_trylock(inode)) {
- if (iocb->ki_flags & IOCB_NOWAIT)
+ if (iocb->ki_flags & IOCB_NOWAIT) {
+ if (!inode_trylock(inode))
return -EAGAIN;
+ } else {
inode_lock(inode);
}
@@ -2082,6 +2082,16 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
btrfs_init_log_ctx(&ctx, inode);
/*
+ * Set the range to full if the NO_HOLES feature is not enabled.
+ * This is to avoid missing file extent items representing holes after
+ * replaying the log.
+ */
+ if (!btrfs_fs_incompat(fs_info, NO_HOLES)) {
+ start = 0;
+ end = LLONG_MAX;
+ }
+
+ /*
* We write the dirty pages in the range and wait until they complete
* out of the ->i_mutex. If so, we can flush the dirty pages by
* multi-task, and make the performance up. See
@@ -2135,6 +2145,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
*/
ret = start_ordered_ops(inode, start, end);
if (ret) {
+ up_write(&BTRFS_I(inode)->dio_sem);
inode_unlock(inode);
goto out;
}