Displaying 5 results from an estimated 5 matches for "btrfs_ordered_nocow".
2013 Aug 29
0
[PATCH] Btrfs: allow partial ordered extent completion
...red_extent)
goto out;
}
+ if (test_bit(BTRFS_ORDERED_TRUNCATED, &ordered_extent->flags)) {
+ truncated = true;
+ logical_len = ordered_extent->truncated_len;
+ /* Truncated the entire extent, don''t bother adding */
+ if (!logical_len)
+ goto out;
+ }
+
if (test_bit(BTRFS_ORDERED_NOCOW, &ordered_extent->flags)) {
BUG_ON(!list_empty(&ordered_extent->list)); /* Logic error */
btrfs_ordered_update_i_size(inode, 0, ordered_extent);
@@ -2627,15 +2637,14 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
ret = btrfs_mark_extent_wri...
2013 Nov 06
1
[PATCH 1/2] Btrfs/tracepoint: fix to report right flags for ordered extent
...@@ -206,17 +206,17 @@ TRACE_EVENT(btrfs_get_extent,
__entry->refs, __entry->compress_type)
);
-#define show_ordered_flags(flags) \
- __print_symbolic(flags, \
- { BTRFS_ORDERED_IO_DONE, "IO_DONE" }, \
- { BTRFS_ORDERED_COMPLETE, "COMPLETE" }, \
- { BTRFS_ORDERED_NOCOW, "NOCOW" }, \
- { BTRFS_ORDERED_COMPRESSED, "COMPRESSED" }, \
- { BTRFS_ORDERED_PREALLOC, "PREALLOC" }, \
- { BTRFS_ORDERED_DIRECT, "DIRECT" }, \
- { BTRFS_ORDERED_IOERR, "IOERR" }, \
- { BTRFS_ORDERED_UPDATED_ISIZE, "UPDATED_...
2011 Sep 08
1
[PATCH] Btrfs: fix direct-io vs nodatacow
...d-off-by: Li Zefan <lizf@cn.fujitsu.com>
---
fs/btrfs/inode.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0ccc743..3bd35fe 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5785,8 +5785,7 @@ again:
if (test_bit(BTRFS_ORDERED_NOCOW, &ordered->flags)) {
ret = btrfs_ordered_update_i_size(inode, 0, ordered);
if (!ret)
- ret = btrfs_update_inode(trans, root, inode);
- err = ret;
+ err = btrfs_update_inode(trans, root, inode);
goto out;
}
-- 1.7.3.1
--
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2008 Oct 27
0
[PATCH 3/4] update nodatacow code
...} else {
-not_found:
- btrfs_end_transaction(trans, root);
- btrfs_free_path(path);
- return cow_file_range(inode, start, end);
+
+ disk_bytenr += cur_offset - found_key.offset;
+ ret = btrfs_add_ordered_extent(inode, cur_offset, disk_bytenr,
+ min(end + 1, extent_end) - cur_offset,
+ BTRFS_ORDERED_NOCOW);
+ cur_offset = extent_end;
+ if (cur_offset > end)
+ break;
}
-out:
- WARN_ON(err);
- btrfs_end_transaction(trans, root);
+ btrfs_release_path(root, path);
+
+ if (cur_offset <= end && cow_start == (u64)-1)
+ cow_start = cur_offset;
+ if (cow_start != (u64)-1) {
+ ret = cow_...
2010 May 07
6
[PATCH 1/5] fs: allow short direct-io reads to be completed via buffered IO V2
V1->V2: Check to see if our current ppos is >= i_size after a short DIO read,
just in case it was actually a short read and we need to just return.
This is similar to what already happens in the write case. If we have a short
read while doing O_DIRECT, instead of just returning, fallthrough and try to
read the rest via buffered IO. BTRFS needs this because if we encounter a
compressed or