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Btrfs: Add a per-inode csum mutex to avoid races creating csum items

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Chris Mason
2008-06-25 16:01:31 -04:00
parent 079899c238
commit 1b1e2135dc
6 changed files with 21 additions and 6 deletions
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6
fs/btrfs/file.c
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@@ -267,13 +267,13 @@ static int noinline dirty_and_release_pages(struct btrfs_trans_handle *trans,
/* FIXME...EIEIO, ENOSPC and more */
/* insert any holes we need to create */
if (isize < end_pos) {
if (isize < start_pos) {
u64 last_pos_in_file;
u64 hole_size;
u64 mask = root->sectorsize - 1;
last_pos_in_file = (isize + mask) & ~mask;
hole_size = (end_pos - last_pos_in_file + mask) & ~mask;
if (last_pos_in_file < end_pos) {
hole_size = (start_pos - last_pos_in_file + mask) & ~mask;
if (last_pos_in_file < start_pos) {
err = btrfs_drop_extents(trans, root, inode,
last_pos_in_file,
last_pos_in_file + hole_size,