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nilfs2: move parameters on nilfs_sb_info into nilfs object 

This moves four parameter variables on nilfs_sb_info s_resuid,
s_resgid, s_interval and s_watermark to the nilfs object.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
This commit is contained in:
Ryusuke Konishi 2011-03-09 11:05:07 +09:00
parent 3b2ce58b0f
commit 574e6c3145
4 changed files with 19 additions and 16 deletions
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7
fs/nilfs2/sb.h
View File

@ -34,13 +34,6 @@ struct nilfs_sc_info;
* NILFS super-block data in memory
*/
struct nilfs_sb_info {
uid_t s_resuid;
gid_t s_resgid;
unsigned long s_interval; /* construction interval */
unsigned long s_watermark; /* threshold of data amount
for the segment construction */
/* Fundamental members */
struct super_block *s_super; /* reverse pointer to super_block */
struct the_nilfs *s_nilfs;

9
fs/nilfs2/segment.c
View File

@ -2676,6 +2676,7 @@ static void nilfs_segctor_kill_thread(struct nilfs_sc_info *sci)
static struct nilfs_sc_info *nilfs_segctor_new(struct nilfs_sb_info *sbi,
struct nilfs_root *root)
{
struct the_nilfs *nilfs = sbi->s_nilfs;
struct nilfs_sc_info *sci;
sci = kzalloc(sizeof(*sci), GFP_KERNEL);
@ -2703,10 +2704,10 @@ static struct nilfs_sc_info *nilfs_segctor_new(struct nilfs_sb_info *sbi,
sci->sc_mjcp_freq = HZ * NILFS_SC_DEFAULT_SR_FREQ;
sci->sc_watermark = NILFS_SC_DEFAULT_WATERMARK;
if (sbi->s_interval)
sci->sc_interval = sbi->s_interval;
if (sbi->s_watermark)
sci->sc_watermark = sbi->s_watermark;
if (nilfs->ns_interval)
sci->sc_interval = nilfs->ns_interval;
if (nilfs->ns_watermark)
sci->sc_watermark = nilfs->ns_watermark;
return sci;
}

10
fs/nilfs2/super.c
View File

@ -729,7 +729,7 @@ int nilfs_store_magic_and_option(struct super_block *sb,
struct nilfs_super_block *sbp,
char *data)
{
struct nilfs_sb_info *sbi = NILFS_SB(sb);
struct the_nilfs *nilfs = NILFS_SB(sb)->s_nilfs;
sb->s_magic = le16_to_cpu(sbp->s_magic);
@ -740,10 +740,10 @@ int nilfs_store_magic_and_option(struct super_block *sb,
nilfs_set_default_options(sb, sbp);
sbi->s_resuid = le16_to_cpu(sbp->s_def_resuid);
sbi->s_resgid = le16_to_cpu(sbp->s_def_resgid);
sbi->s_interval = le32_to_cpu(sbp->s_c_interval);
sbi->s_watermark = le32_to_cpu(sbp->s_c_block_max);
nilfs->ns_resuid = le16_to_cpu(sbp->s_def_resuid);
nilfs->ns_resgid = le16_to_cpu(sbp->s_def_resgid);
nilfs->ns_interval = le32_to_cpu(sbp->s_c_interval);
nilfs->ns_watermark = le32_to_cpu(sbp->s_c_block_max);
return !parse_options(data, sb, 0) ? -EINVAL : 0 ;
}

9
fs/nilfs2/the_nilfs.h
View File

@ -73,6 +73,10 @@ enum {
* @ns_cptree_lock: lock protecting @ns_cptree
* @ns_gc_inodes: dummy inodes to keep live blocks
* @ns_mount_opt: mount options
* @ns_resuid: uid for reserved blocks
* @ns_resgid: gid for reserved blocks
* @ns_interval: checkpoint creation interval
* @ns_watermark: watermark for the number of dirty buffers
* @ns_blocksize_bits: bit length of block size
* @ns_blocksize: block size
* @ns_nsegments: number of segments in filesystem
@ -152,6 +156,11 @@ struct the_nilfs {
/* Mount options */
unsigned long ns_mount_opt;
uid_t ns_resuid;
gid_t ns_resgid;
unsigned long ns_interval;
unsigned long ns_watermark;
/* Disk layout information (static) */
unsigned int ns_blocksize_bits;
unsigned int ns_blocksize;