diff options
Diffstat (limited to 'fs/ocfs2/journal.h')
| -rw-r--r-- | fs/ocfs2/journal.h | 75 |
1 files changed, 42 insertions, 33 deletions
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index 0bb6754c73f4..6163f28badda 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -90,57 +90,66 @@ static inline unsigned long ocfs2_inc_trans_id(struct ocfs2_journal *j) return old_id; } -static inline void ocfs2_set_inode_lock_trans(struct ocfs2_journal *journal, - struct inode *inode) +static inline void ocfs2_set_ci_lock_trans(struct ocfs2_journal *journal, + struct ocfs2_caching_info *ci) { spin_lock(&trans_inc_lock); - INODE_CACHE(inode)->ci_last_trans = journal->j_trans_id; + ci->ci_last_trans = journal->j_trans_id; spin_unlock(&trans_inc_lock); } /* Used to figure out whether it's safe to drop a metadata lock on an - * inode. Returns true if all the inodes changes have been + * cached object. Returns true if all the object's changes have been * checkpointed to disk. You should be holding the spinlock on the * metadata lock while calling this to be sure that nobody can take * the lock and put it on another transaction. */ -static inline int ocfs2_inode_fully_checkpointed(struct inode *inode) +static inline int ocfs2_ci_fully_checkpointed(struct ocfs2_caching_info *ci) { int ret; - struct ocfs2_journal *journal = OCFS2_SB(inode->i_sb)->journal; + struct ocfs2_journal *journal = + OCFS2_SB(ocfs2_metadata_cache_get_super(ci))->journal; spin_lock(&trans_inc_lock); - ret = time_after(journal->j_trans_id, - INODE_CACHE(inode)->ci_last_trans); + ret = time_after(journal->j_trans_id, ci->ci_last_trans); spin_unlock(&trans_inc_lock); return ret; } -/* convenience function to check if an inode is still new (has never - * hit disk) Will do you a favor and set created_trans = 0 when you've - * been checkpointed. returns '1' if the inode is still new. */ -static inline int ocfs2_inode_is_new(struct inode *inode) +/* convenience function to check if an object backed by struct + * ocfs2_caching_info is still new (has never hit disk) Will do you a + * favor and set created_trans = 0 when you've + * been checkpointed. returns '1' if the ci is still new. */ +static inline int ocfs2_ci_is_new(struct ocfs2_caching_info *ci) { int ret; + struct ocfs2_journal *journal = + OCFS2_SB(ocfs2_metadata_cache_get_super(ci))->journal; + + spin_lock(&trans_inc_lock); + ret = !(time_after(journal->j_trans_id, ci->ci_created_trans)); + if (!ret) + ci->ci_created_trans = 0; + spin_unlock(&trans_inc_lock); + return ret; +} +/* Wrapper for inodes so we can check system files */ +static inline int ocfs2_inode_is_new(struct inode *inode) +{ /* System files are never "new" as they're written out by * mkfs. This helps us early during mount, before we have the * journal open and j_trans_id could be junk. */ if (OCFS2_I(inode)->ip_flags & OCFS2_INODE_SYSTEM_FILE) return 0; - spin_lock(&trans_inc_lock); - ret = !(time_after(OCFS2_SB(inode->i_sb)->journal->j_trans_id, - INODE_CACHE(inode)->ci_created_trans)); - if (!ret) - INODE_CACHE(inode)->ci_created_trans = 0; - spin_unlock(&trans_inc_lock); - return ret; + + return ocfs2_ci_is_new(INODE_CACHE(inode)); } -static inline void ocfs2_inode_set_new(struct ocfs2_super *osb, - struct inode *inode) +static inline void ocfs2_ci_set_new(struct ocfs2_super *osb, + struct ocfs2_caching_info *ci) { spin_lock(&trans_inc_lock); - INODE_CACHE(inode)->ci_created_trans = osb->journal->j_trans_id; + ci->ci_created_trans = osb->journal->j_trans_id; spin_unlock(&trans_inc_lock); } @@ -201,7 +210,7 @@ static inline void ocfs2_checkpoint_inode(struct inode *inode) if (ocfs2_mount_local(osb)) return; - if (!ocfs2_inode_fully_checkpointed(inode)) { + if (!ocfs2_ci_fully_checkpointed(INODE_CACHE(inode))) { /* WARNING: This only kicks off a single * checkpoint. If someone races you and adds more * metadata to the journal, you won't know, and will @@ -211,7 +220,7 @@ static inline void ocfs2_checkpoint_inode(struct inode *inode) ocfs2_start_checkpoint(osb); wait_event(osb->journal->j_checkpointed, - ocfs2_inode_fully_checkpointed(inode)); + ocfs2_ci_fully_checkpointed(INODE_CACHE(inode))); } } @@ -267,31 +276,31 @@ int ocfs2_extend_trans(handle_t *handle, int nblocks); /* ocfs2_inode */ -int ocfs2_journal_access_di(handle_t *handle, struct inode *inode, +int ocfs2_journal_access_di(handle_t *handle, struct ocfs2_caching_info *ci, struct buffer_head *bh, int type); /* ocfs2_extent_block */ -int ocfs2_journal_access_eb(handle_t *handle, struct inode *inode, +int ocfs2_journal_access_eb(handle_t *handle, struct ocfs2_caching_info *ci, struct buffer_head *bh, int type); /* ocfs2_group_desc */ -int ocfs2_journal_access_gd(handle_t *handle, struct inode *inode, +int ocfs2_journal_access_gd(handle_t *handle, struct ocfs2_caching_info *ci, struct buffer_head *bh, int type); /* ocfs2_xattr_block */ -int ocfs2_journal_access_xb(handle_t *handle, struct inode *inode, +int ocfs2_journal_access_xb(handle_t *handle, struct ocfs2_caching_info *ci, struct buffer_head *bh, int type); /* quota blocks */ -int ocfs2_journal_access_dq(handle_t *handle, struct inode *inode, +int ocfs2_journal_access_dq(handle_t *handle, struct ocfs2_caching_info *ci, struct buffer_head *bh, int type); /* dirblock */ -int ocfs2_journal_access_db(handle_t *handle, struct inode *inode, +int ocfs2_journal_access_db(handle_t *handle, struct ocfs2_caching_info *ci, struct buffer_head *bh, int type); /* ocfs2_dx_root_block */ -int ocfs2_journal_access_dr(handle_t *handle, struct inode *inode, +int ocfs2_journal_access_dr(handle_t *handle, struct ocfs2_caching_info *ci, struct buffer_head *bh, int type); /* ocfs2_dx_leaf */ -int ocfs2_journal_access_dl(handle_t *handle, struct inode *inode, +int ocfs2_journal_access_dl(handle_t *handle, struct ocfs2_caching_info *ci, struct buffer_head *bh, int type); /* Anything that has no ecc */ -int ocfs2_journal_access(handle_t *handle, struct inode *inode, +int ocfs2_journal_access(handle_t *handle, struct ocfs2_caching_info *ci, struct buffer_head *bh, int type); /* |