diff options
| -rw-r--r-- | fs/inode.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/fs/inode.c b/fs/inode.c index 29ba87e29414..c6d3a3b864c0 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -433,7 +433,7 @@ void sync_inodes(void) } } -static void try_to_sync_unused_inodes(void * arg) +static void try_to_sync_unused_inodes(unsigned long pexclusive) { struct super_block * sb; int nr_inodes = inodes_stat.nr_unused; @@ -450,10 +450,9 @@ static void try_to_sync_unused_inodes(void * arg) } spin_unlock(&sb_lock); spin_unlock(&inode_lock); + clear_bit(0, (unsigned long *)pexclusive); } -static struct tq_struct unused_inodes_flush_task; - /** * write_inode_now - write an inode to disk * @inode: inode to write to disk @@ -746,8 +745,15 @@ void prune_icache(int goal) * from here or we're either synchronously dogslow * or we deadlock with oom. */ - if (goal) - schedule_task(&unused_inodes_flush_task); + if (goal) { + static unsigned long exclusive; + + if (!test_and_set_bit(0, &exclusive)) { + if (pdflush_operation(try_to_sync_unused_inodes, + (unsigned long)&exclusive)) + clear_bit(0, &exclusive); + } + } } /* * This is called from kswapd when we think we need some @@ -1173,8 +1179,6 @@ void __init inode_init(unsigned long mempages) NULL); if (!inode_cachep) panic("cannot create inode slab cache"); - - unused_inodes_flush_task.routine = try_to_sync_unused_inodes; } static inline void do_atime_update(struct inode *inode) |