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f2fs: count the number of inmemory pages

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This patch adds counting # of inmemory pages in the page cache.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2014-12-05 17:18:15 -08:00
parent 126622343a
commit 8dcf2ff721
3 changed files with 8 additions and 1 deletions
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fs/f2fs/f2fs.h
+2 -1
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@@ -462,6 +462,7 @@ enum count_type {
F2FS_DIRTY_DENTS,
F2FS_DIRTY_NODES,
F2FS_DIRTY_META,
F2FS_INMEM_PAGES,
NR_COUNT_TYPE,
};
@@ -1498,7 +1499,7 @@ struct f2fs_stat_info {
int ndirty_node, ndirty_dent, ndirty_dirs, ndirty_meta;
int nats, sits, fnids;
int total_count, utilization;
int bg_gc, inline_inode, inline_dir;
int bg_gc, inline_inode, inline_dir, inmem_pages;
unsigned int valid_count, valid_node_count, valid_inode_count;
unsigned int bimodal, avg_vblocks;
int util_free, util_valid, util_invalid;