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authorJaegeuk Kim <jaegeuk@kernel.org>2014-12-06 02:18:15 +0100
committerJaegeuk Kim <jaegeuk@kernel.org>2014-12-08 19:35:15 +0100
commit8dcf2ff72120707f960d9b3b15ce6e50705b13a6 (patch)
treebfc57918d72b70aeae3f7d6b79de8a06e20ed772 /fs/f2fs/debug.c
parentf2fs: release inmemory pages when the file was closed (diff)
downloadlinux-8dcf2ff72120707f960d9b3b15ce6e50705b13a6.tar.xz
linux-8dcf2ff72120707f960d9b3b15ce6e50705b13a6.zip
f2fs: count the number of inmemory pages
This patch adds counting # of inmemory pages in the page cache. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/debug.c')
-rw-r--r--fs/f2fs/debug.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 40b679ce35d9..4e2e39c0ba69 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -39,6 +39,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS);
si->ndirty_dirs = sbi->n_dirty_dirs;
si->ndirty_meta = get_pages(sbi, F2FS_DIRTY_META);
+ si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES);
si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
si->rsvd_segs = reserved_segments(sbi);
si->overp_segs = overprovision_segments(sbi);
@@ -249,6 +250,8 @@ static int stat_show(struct seq_file *s, void *v)
seq_printf(s, "\nExtent Hit Ratio: %d / %d\n",
si->hit_ext, si->total_ext);
seq_puts(s, "\nBalancing F2FS Async:\n");
+ seq_printf(s, " - inmem: %4d\n",
+ si->inmem_pages);
seq_printf(s, " - nodes: %4d in %4d\n",
si->ndirty_node, si->node_pages);
seq_printf(s, " - dents: %4d in dirs:%4d\n",