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| author | Mark Fasheh <mfasheh@suse.com> | 2010-04-06 05:17:16 +0400 |
|---|---|---|
| committer | Joel Becker <joel.becker@oracle.com> | 2010-05-06 05:18:07 +0400 |
| commit | 83f92318fa33cc084e14e64dc903e605f75884c1 (patch) | |
| tree | c7466c64019fb050c69cab27b4388e3a86d58b1a /fs/ocfs2/reservations.c | |
| parent | b07f8f24dfe54da0f074b78949044842e8df881f (diff) | |
| download | linux-83f92318fa33cc084e14e64dc903e605f75884c1.tar.xz | |
ocfs2: Add dir_resv_level mount option
The default behavior for directory reservations stays the same, but we add a
mount option so people can tweak the size of directory reservations
according to their workloads.
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/ocfs2/reservations.c')
| -rw-r--r-- | fs/ocfs2/reservations.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/ocfs2/reservations.c b/fs/ocfs2/reservations.c index 87fa35791f18..6497bcc00fa5 100644 --- a/fs/ocfs2/reservations.c +++ b/fs/ocfs2/reservations.c @@ -44,7 +44,11 @@ DEFINE_SPINLOCK(resv_lock); #define OCFS2_MIN_RESV_WINDOW_BITS 8 #define OCFS2_MAX_RESV_WINDOW_BITS 1024 -#define OCFS2_RESV_DIR_WINDOW_BITS OCFS2_MIN_RESV_WINDOW_BITS + +int ocfs2_dir_resv_allowed(struct ocfs2_super *osb) +{ + return (osb->osb_resv_level && osb->osb_dir_resv_level); +} static unsigned int ocfs2_resv_window_bits(struct ocfs2_reservation_map *resmap, struct ocfs2_alloc_reservation *resv) @@ -56,8 +60,7 @@ static unsigned int ocfs2_resv_window_bits(struct ocfs2_reservation_map *resmap, /* 8, 16, 32, 64, 128, 256, 512, 1024 */ bits = 4 << osb->osb_resv_level; } else { - /* For now, treat directories the same as files. */ - bits = 4 << osb->osb_resv_level; + bits = 4 << osb->osb_dir_resv_level; } return bits; } |