xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ocfs2: Track local alloc bits internally

Browse Source 
Do this instead of tracking absolute local alloc size. This avoids
needless re-calculatiion of bits from bytes in localalloc.c. Additionally,
the value is now in a more natural unit for internal file system bitmap
work.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Mark Fasheh
2008-07-28 14:55:20 -07:00
parent 53da4939f3
commit ebcee4b5c9
3 changed files with 26 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
fs/ocfs2/ocfs2.h
View File

@@ -252,7 +252,7 @@ struct ocfs2_super
struct ocfs2_journal *journal;
unsigned long osb_commit_interval;
int local_alloc_size;
unsigned int local_alloc_bits;
enum ocfs2_local_alloc_state local_alloc_state;
struct buffer_head *local_alloc_bh;
u64 la_last_gd;
@@ -554,6 +554,14 @@ static inline unsigned int ocfs2_pages_per_cluster(struct super_block *sb)
return pages_per_cluster;
}
static inline unsigned int ocfs2_megabytes_to_clusters(struct super_block *sb,
unsigned int megs)
{
BUILD_BUG_ON(OCFS2_MAX_CLUSTERSIZE > 1048576);
return megs << (20 - OCFS2_SB(sb)->s_clustersize_bits);
}
static inline void ocfs2_init_inode_steal_slot(struct ocfs2_super *osb)
{
spin_lock(&osb->osb_lock);