diff options
| -rw-r--r-- | fs/logfs/gc.c | 6 | ||||
| -rw-r--r-- | fs/logfs/journal.c | 11 | ||||
| -rw-r--r-- | fs/logfs/logfs.h | 4 | ||||
| -rw-r--r-- | fs/logfs/readwrite.c | 2 | ||||
| -rw-r--r-- | fs/logfs/segment.c | 7 | ||||
| -rw-r--r-- | fs/logfs/super.c | 2 |
6 files changed, 19 insertions, 13 deletions
diff --git a/fs/logfs/gc.c b/fs/logfs/gc.c index b3656c44190..92949f95a90 100644 --- a/fs/logfs/gc.c +++ b/fs/logfs/gc.c @@ -469,7 +469,7 @@ static void __logfs_gc_pass(struct super_block *sb, int target) /* Sync in-memory state with on-medium state in case they * diverged */ - logfs_write_anchor(super->s_master_inode); + logfs_write_anchor(sb); round += logfs_scan_some(sb); if (no_free_segments(sb) >= target) goto write_alias; @@ -613,8 +613,8 @@ void logfs_gc_pass(struct super_block *sb) */ if (super->s_dirty_used_bytes + super->s_dirty_free_bytes + LOGFS_MAX_OBJECTSIZE >= super->s_free_bytes) - logfs_write_anchor(super->s_master_inode); - __logfs_gc_pass(sb, logfs_super(sb)->s_total_levels); + logfs_write_anchor(sb); + __logfs_gc_pass(sb, super->s_total_levels); logfs_wl_pass(sb); logfs_journal_wl_pass(sb); } diff --git a/fs/logfs/journal.c b/fs/logfs/journal.c index c0e7d63221d..57eb4fb444a 100644 --- a/fs/logfs/journal.c +++ b/fs/logfs/journal.c @@ -724,14 +724,17 @@ static int logfs_write_obj_aliases(struct super_block *sb) * bit wasteful, but robustness is more important. With this we can *always* * erase all journal segments except the one containing the most recent commit. */ -void logfs_write_anchor(struct inode *inode) +void logfs_write_anchor(struct super_block *sb) { - struct super_block *sb = inode->i_sb; struct logfs_super *super = logfs_super(sb); struct logfs_area *area = super->s_journal_area; int i, err; - BUG_ON(logfs_super(sb)->s_flags & LOGFS_SB_FLAG_SHUTDOWN); + if (!(super->s_flags & LOGFS_SB_FLAG_DIRTY)) + return; + super->s_flags &= ~LOGFS_SB_FLAG_DIRTY; + + BUG_ON(super->s_flags & LOGFS_SB_FLAG_SHUTDOWN); mutex_lock(&super->s_journal_mutex); /* Do this first or suffer corruption */ @@ -821,7 +824,7 @@ void do_logfs_journal_wl_pass(struct super_block *sb) area->a_is_open = 0; area->a_used_bytes = 0; /* Write journal */ - logfs_write_anchor(super->s_master_inode); + logfs_write_anchor(sb); /* Write superblocks */ err = logfs_write_sb(sb); BUG_ON(err); diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h index 72592114a28..12977943137 100644 --- a/fs/logfs/logfs.h +++ b/fs/logfs/logfs.h @@ -82,7 +82,7 @@ /* Read-only filesystem */ #define LOGFS_SB_FLAG_RO 0x0001 -#define LOGFS_SB_FLAG_SEG_ALIAS 0x0002 +#define LOGFS_SB_FLAG_DIRTY 0x0002 #define LOGFS_SB_FLAG_OBJ_ALIAS 0x0004 #define LOGFS_SB_FLAG_SHUTDOWN 0x0008 @@ -526,7 +526,7 @@ void logfs_delete_inode(struct inode *inode); void logfs_clear_inode(struct inode *inode); /* journal.c */ -void logfs_write_anchor(struct inode *inode); +void logfs_write_anchor(struct super_block *sb); int logfs_init_journal(struct super_block *sb); void logfs_cleanup_journal(struct super_block *sb); int write_alias_journal(struct super_block *sb, u64 ino, u64 bix, diff --git a/fs/logfs/readwrite.c b/fs/logfs/readwrite.c index 1dbe6e8ccce..7a23b3e7c0a 100644 --- a/fs/logfs/readwrite.c +++ b/fs/logfs/readwrite.c @@ -421,7 +421,7 @@ static void inode_write_block(struct logfs_block *block) inode = block->inode; if (inode->i_ino == LOGFS_INO_MASTER) - logfs_write_anchor(inode); + logfs_write_anchor(inode->i_sb); else { ret = __logfs_write_inode(inode, 0); /* see indirect_write_block comment */ diff --git a/fs/logfs/segment.c b/fs/logfs/segment.c index 664cd0dd357..1a14f9910d5 100644 --- a/fs/logfs/segment.c +++ b/fs/logfs/segment.c @@ -352,7 +352,8 @@ int logfs_segment_write(struct inode *inode, struct page *page, int ret; void *buf; - BUG_ON(logfs_super(sb)->s_flags & LOGFS_SB_FLAG_SHUTDOWN); + super->s_flags |= LOGFS_SB_FLAG_DIRTY; + BUG_ON(super->s_flags & LOGFS_SB_FLAG_SHUTDOWN); do_compress = logfs_inode(inode)->li_flags & LOGFS_IF_COMPRESSED; if (shadow->gc_level != 0) { /* temporarily disable compression for indirect blocks */ @@ -653,11 +654,13 @@ int logfs_segment_read(struct inode *inode, struct page *page, int logfs_segment_delete(struct inode *inode, struct logfs_shadow *shadow) { struct super_block *sb = inode->i_sb; + struct logfs_super *super = logfs_super(sb); struct logfs_object_header h; u16 len; int err; - BUG_ON(logfs_super(sb)->s_flags & LOGFS_SB_FLAG_SHUTDOWN); + super->s_flags |= LOGFS_SB_FLAG_DIRTY; + BUG_ON(super->s_flags & LOGFS_SB_FLAG_SHUTDOWN); BUG_ON(shadow->old_ofs & LOGFS_FULLY_POPULATED); if (!shadow->old_ofs) return 0; diff --git a/fs/logfs/super.c b/fs/logfs/super.c index 94d80f7ee7c..1d081b7ede5 100644 --- a/fs/logfs/super.c +++ b/fs/logfs/super.c @@ -490,7 +490,7 @@ static void logfs_kill_sb(struct super_block *sb) log_super("LogFS: Start unmounting\n"); /* Alias entries slow down mount, so evict as many as possible */ sync_filesystem(sb); - logfs_write_anchor(super->s_master_inode); + logfs_write_anchor(sb); /* * From this point on alias entries are simply dropped - and any |