On Sat, 28 Jun 2014 20:58:38 +0900 Jaegeuk Kim jaeg...@kernel.org wrote:
If we don't check the current backing device status, balance_dirty_pages can
fall into infinite pausing routine.
This can be occurred when a lot of directories make a small number of dirty
dentry pages including files.
Hi, Gu
Unfortunately, find_next_bit isn't always better than test_bit.
Refer to commit 5d0c667121bfc8be76d1580f485bddbe73465d1a
I remember that
Perviously, Jaegeuk had changed find_next_bit to test_bit because
find_next_bit spent much cpu time in the case of there is lot of dentries like
a
On Tue, Jul 01, 2014 at 10:54:20PM -0700, Andrew Morton wrote:
On Sat, 28 Jun 2014 20:58:38 +0900 Jaegeuk Kim jaeg...@kernel.org wrote:
If we don't check the current backing device status, balance_dirty_pages can
fall into infinite pausing routine.
This can be occurred when a lot of
If an inode is renamed, it should be registered as file_lost_pino to conduct
checkpoint at f2fs_sync_file.
Otherwise, the inode cannot be recovered due to no dent_mark in the following
scenario.
Note that, this scenario is from xfstests/322.
1. create a
2. fsync a
3. rename a to b
4. fsync b
5.
On Wed, 2 Jul 2014 02:31:26 -0700 Jaegeuk Kim jaeg...@kernel.org wrote:
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -43,6 +43,8 @@ bool available_free_memory(struct f2fs_sb_info *sbi,
int type)
mem_size = (nm_i-nat_cnt * sizeof(struct nat_entry)) 12;
res =
Hi Changman,
On 07/02/2014 03:49 PM, Changman Lee wrote:
Hi, Gu
Unfortunately, find_next_bit isn't always better than test_bit.
Refer to commit 5d0c667121bfc8be76d1580f485bddbe73465d1a
I remember that
Perviously, Jaegeuk had changed find_next_bit to test_bit because
find_next_bit spent
Hi Jaegeuk,
On 07/02/2014 06:30 PM, Jaegeuk Kim wrote:
Thanks Changman for reminding this. :)
If there are a lot of ones in the bit stream, find_next_bit_le would cause
some
overhead to translate the bits.
However, it would be effective to use find_next_bit_le if the bit stream looks
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