Displaying 2 results from an estimated 2 matches for "find_delalloc_range".
2010 Feb 02
0
[PATCH] Btrfs: cache extent state in find_delalloc_range
This patch makes us cache the extent state we find in find_delalloc_range since
we''ll have to lock the extent later on in the function. This will keep us from
re-searching for the rang when we try to lock the extent.
Signed-off-by: Josef Bacik <josef@redhat.com>
---
fs/btrfs/extent_io.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-...
2013 Oct 08
3
[PATCH] Btrfs: limit delalloc pages outside of find_delalloc_range
...ax bytes to a single page and re loop. However if our first page is
inside of the delalloc range then we will end up limiting the end of the range
to a period before our first page. This is illustrated below
[0 -------- delalloc range --------- 256mb]
[page]
So find_delalloc_range will return with delalloc_start as 0 and end as 128mb,
and then we will notice that delalloc_start < *start and adjust it up, but not
adjust delalloc_end up, so things go sideways. To fix this we need to not limit
the max bytes in find_delalloc_range, but in find_lock_delalloc_range and that
wa...