Displaying 3 results from an estimated 3 matches for "wb_reason_fs_free_spac".
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wb_reason_fs_free_space
2012 Apr 29
0
[PATCH 1/2] vfs: re-implement writeback_inodes_sb(_nr)_if_idle() and rename them
...c
@@ -3624,8 +3624,8 @@ static int shrink_delalloc(struct btrfs_root *root, u64 to_reclaim,
smp_mb();
nr_pages = min_t(unsigned long, nr_pages,
root->fs_info->delalloc_bytes >> PAGE_CACHE_SHIFT);
- writeback_inodes_sb_nr_if_idle(root->fs_info->sb, nr_pages,
- WB_REASON_FS_FREE_SPACE);
+ try_to_writeback_inodes_sb_nr(root->fs_info->sb, nr_pages,
+ WB_REASON_FS_FREE_SPACE);
spin_lock(&space_info->lock);
if (reserved > space_info->bytes_may_use)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index c77b0bd..2dccb4d 100644
--- a/fs/ext4/inode....
2013 Jun 20
0
[PATCH] Btrfs: stop using try_to_writeback_inodes_sb_nr to flush delalloc
...d btrfs_writeback_inodes_sb_nr(struct btrfs_root *root,
unsigned long nr_pages)
{
struct super_block *sb = root->fs_info->sb;
- int started;
- /* If we can not start writeback, just sync all the delalloc file. */
- started = try_to_writeback_inodes_sb_nr(sb, nr_pages,
- WB_REASON_FS_FREE_SPACE);
- if (!started) {
+ if (down_read_trylock(&sb->s_umount)) {
+ writeback_inodes_sb_nr(sb, nr_pages, WB_REASON_FS_FREE_SPACE);
+ up_read(&sb->s_umount);
+ } else {
/*
* We needn''t worry the filesystem going from r/w to r/o though
* we don''t acquire ->...
2012 Apr 26
7
[PATCH 2/4] Btrfs: fix deadlock on sb->s_umount when doing umount
...+void btrfs_writeback_inodes_sb_nr(struct btrfs_root *root,
+ unsigned long nr_pages)
+{
+ struct super_block *sb = root->fs_info->sb;
+ int started;
+
+ /* If we can not start writeback, just sync all the delalloc file. */
+ started = try_to_writeback_inodes_sb_nr(sb, nr_pages,
+ WB_REASON_FS_FREE_SPACE);
+ if (!started) {
+ /*
+ * We needn''t worry the filesystem going from r/w to r/o though
+ * we don''t acquire ->s_umount mutex, because the filesystem
+ * should guarantee the delalloc inodes list be empty after
+ * the filesystem is readonly(all dirty pages are writ...