[XFS] Fix a writepage regression where we accidentally stopped honouring
nonblock mode with the new IO path code (since 2.6.16). SGI-PV: 951662 SGI-Modid: xfs-linux-melb:xfs-kern:25676a Signed-off-by: Nathan Scott <nathans@sgi.com>
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@ -870,12 +870,14 @@ xfs_page_state_convert(
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pgoff_t end_index, last_index, tlast;
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ssize_t size, len;
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int flags, err, iomap_valid = 0, uptodate = 1;
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int page_dirty, count = 0, trylock_flag = 0;
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int page_dirty, count = 0;
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int trylock = 0;
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int all_bh = unmapped;
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/* wait for other IO threads? */
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if (startio && (wbc->sync_mode == WB_SYNC_NONE && wbc->nonblocking))
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trylock_flag |= BMAPI_TRYLOCK;
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if (startio) {
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if (wbc->sync_mode == WB_SYNC_NONE && wbc->nonblocking)
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trylock |= BMAPI_TRYLOCK;
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}
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/* Is this page beyond the end of the file? */
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offset = i_size_read(inode);
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@ -956,15 +958,13 @@ xfs_page_state_convert(
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if (buffer_unwritten(bh)) {
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type = IOMAP_UNWRITTEN;
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flags = BMAPI_WRITE|BMAPI_IGNSTATE;
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flags = BMAPI_WRITE | BMAPI_IGNSTATE;
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} else if (buffer_delay(bh)) {
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type = IOMAP_DELAY;
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flags = BMAPI_ALLOCATE;
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if (!startio)
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flags |= trylock_flag;
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flags = BMAPI_ALLOCATE | trylock;
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} else {
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type = IOMAP_NEW;
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flags = BMAPI_WRITE|BMAPI_MMAP;
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flags = BMAPI_WRITE | BMAPI_MMAP;
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}
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if (!iomap_valid) {
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