Merge branch 'for-chris' of git://git.jan-o-sch.net/btrfs-unstable into integration

[karo-tx-linux.git] / fs / btrfs / file.c

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index d2b60ed6c33f9bbcd9d6594d0bb92fcafb8e086a..fc97b00bd8714135ba43140ee590ede878e09753 100644 (file)
--- 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);
@@ -1832,7 +1838,7 @@ static loff_t btrfs_file_llseek(struct file *file, loff_t offset, int origin)
        switch (origin) {
        case SEEK_END:
        case SEEK_CUR:
-               offset = generic_file_llseek_unlocked(file, offset, origin);
+               offset = generic_file_llseek(file, offset, origin);
                goto out;
        case SEEK_DATA:
        case SEEK_HOLE: