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Btrfs: A few updates for 2.6.18 and versions older than 2.6.25

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This includes fixing a missing spinlock init call that caused oops on mount
for most kernels other than 2.6.25.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-04-14 09:48:18 -04:00
parent 98d20f67cf
commit b248a41529
3 changed files with 24 additions and 11 deletions
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8
fs/btrfs/file.c
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@@ -908,11 +908,17 @@ out_nolock:
if (err < 0)
num_written = err;
} else if (num_written > 0 && (file->f_flags & O_DIRECT)) {
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
do_sync_file_range(file, start_pos,
start_pos + num_written - 1,
SYNC_FILE_RANGE_WRITE |
SYNC_FILE_RANGE_WAIT_AFTER);
#else
do_sync_mapping_range(inode->i_mapping, start_pos,
start_pos + num_written - 1,
SYNC_FILE_RANGE_WRITE |
SYNC_FILE_RANGE_WAIT_AFTER);
#endif
invalidate_mapping_pages(inode->i_mapping,
start_pos >> PAGE_CACHE_SHIFT,
(start_pos + num_written - 1) >> PAGE_CACHE_SHIFT);