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nilfs2: move mount options to nilfs object

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This moves mount_opt local variable to nilfs object from nilfs_sb_info
struct.

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 be667377a8
commit 3b2ce58b0f
5 changed files with 54 additions and 49 deletions
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18
fs/nilfs2/the_nilfs.h
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@@ -72,6 +72,7 @@ enum {
* @ns_cptree: rb-tree of all mounted checkpoints (nilfs_root)
* @ns_cptree_lock: lock protecting @ns_cptree
* @ns_gc_inodes: dummy inodes to keep live blocks
* @ns_mount_opt: mount options
* @ns_blocksize_bits: bit length of block size
* @ns_blocksize: block size
* @ns_nsegments: number of segments in filesystem
@@ -148,6 +149,9 @@ struct the_nilfs {
/* GC inode list */
struct list_head ns_gc_inodes;
/* Mount options */
unsigned long ns_mount_opt;
/* Disk layout information (static) */
unsigned int ns_blocksize_bits;
unsigned int ns_blocksize;
@@ -180,6 +184,20 @@ THE_NILFS_FNS(DISCONTINUED, discontinued)
THE_NILFS_FNS(GC_RUNNING, gc_running)
THE_NILFS_FNS(SB_DIRTY, sb_dirty)
/*
* Mount option operations
*/
#define nilfs_clear_opt(nilfs, opt) \
do { (nilfs)->ns_mount_opt &= ~NILFS_MOUNT_##opt; } while (0)
#define nilfs_set_opt(nilfs, opt) \
do { (nilfs)->ns_mount_opt |= NILFS_MOUNT_##opt; } while (0)
#define nilfs_test_opt(nilfs, opt) ((nilfs)->ns_mount_opt & NILFS_MOUNT_##opt)
#define nilfs_write_opt(nilfs, mask, opt) \
do { (nilfs)->ns_mount_opt = \
(((nilfs)->ns_mount_opt & ~NILFS_MOUNT_##mask) | \
NILFS_MOUNT_##opt); \
} while (0)
/**
* struct nilfs_root - nilfs root object
* @cno: checkpoint number