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| author | Ingo Molnar <mingo@elte.hu> | 2011-12-20 20:32:03 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-12-20 20:32:11 +0100 |
| commit | d87f69a16eb2cb96459117b06949a560679002e4 (patch) | |
| tree | bbb55b2bd2b6c9e8bd4067aa3279783cb6bd9028 /fs/btrfs/file.c | |
| parent | 124ba9403318d834ef21bcd899c22c870708d2c4 (diff) | |
| parent | 384703b8e6cd4c8ef08512e596024e028c91c339 (diff) | |
| download | linux-rt-d87f69a16eb2cb96459117b06949a560679002e4.tar.gz | |
Merge commit 'v3.2-rc6' into perf/core
Merge reason: Update with the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index dafdfa059bf6..97fbe939c050 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1167,6 +1167,8 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file, nrptrs = min((iov_iter_count(i) + PAGE_CACHE_SIZE - 1) / PAGE_CACHE_SIZE, PAGE_CACHE_SIZE / (sizeof(struct page *))); + nrptrs = min(nrptrs, current->nr_dirtied_pause - current->nr_dirtied); + nrptrs = max(nrptrs, 8); pages = kmalloc(nrptrs * sizeof(struct page *), GFP_KERNEL); if (!pages) return -ENOMEM; @@ -1387,7 +1389,11 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb, goto out; } - file_update_time(file); + err = btrfs_update_time(file); + if (err) { + mutex_unlock(&inode->i_mutex); + goto out; + } BTRFS_I(inode)->sequence++; start_pos = round_down(pos, root->sectorsize); |