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| author | Mark Fasheh <mfasheh@suse.com> | 2009-12-07 13:15:40 -0800 |
|---|---|---|
| committer | Joel Becker <joel.becker@oracle.com> | 2010-05-05 18:17:30 -0700 |
| commit | 4fe370afaae49c57619bb0bedb75de7e7c168308 (patch) | |
| tree | 7b2752fc9616578e9e3baa659e6c724b301d26c5 | |
| parent | d02f00cc057809d96c044cc72d5b9809d59f7d49 (diff) | |
| download | kernel_samsung_tuna-4fe370afaae49c57619bb0bedb75de7e7c168308.zip kernel_samsung_tuna-4fe370afaae49c57619bb0bedb75de7e7c168308.tar.gz kernel_samsung_tuna-4fe370afaae49c57619bb0bedb75de7e7c168308.tar.bz2 | |
ocfs2: use allocation reservations during file write
Add a per-inode reservations structure and pass it through to the
reservations code.
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
| -rw-r--r-- | fs/ocfs2/alloc.c | 2 | ||||
| -rw-r--r-- | fs/ocfs2/aops.c | 3 | ||||
| -rw-r--r-- | fs/ocfs2/file.c | 3 | ||||
| -rw-r--r-- | fs/ocfs2/inode.c | 4 | ||||
| -rw-r--r-- | fs/ocfs2/inode.h | 2 | ||||
| -rw-r--r-- | fs/ocfs2/super.c | 2 |
6 files changed, 16 insertions, 0 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 89e994d..a74ea70 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -7211,6 +7211,8 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, goto out_commit; did_quota = 1; + data_ac->ac_resv = &OCFS2_I(inode)->ip_la_data_resv; + ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off, &num); if (ret) { diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 21441dd..3623ca2 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1735,6 +1735,9 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, goto out; } + if (data_ac) + data_ac->ac_resv = &OCFS2_I(inode)->ip_la_data_resv; + credits = ocfs2_calc_extend_credits(inode->i_sb, &di->id2.i_list, clusters_to_alloc); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index e6e8281..19d16f2 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -483,6 +483,9 @@ static int ocfs2_truncate_file(struct inode *inode, down_write(&OCFS2_I(inode)->ip_alloc_sem); + ocfs2_resv_discard(&osb->osb_la_resmap, + &OCFS2_I(inode)->ip_la_data_resv); + /* * The inode lock forced other nodes to sync and drop their * pages, which (correctly) happens even if we have a truncate diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 7cc0b46..62b4743 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -1096,6 +1096,10 @@ void ocfs2_clear_inode(struct inode *inode) ocfs2_mark_lockres_freeing(&oi->ip_inode_lockres); ocfs2_mark_lockres_freeing(&oi->ip_open_lockres); + ocfs2_resv_discard(&OCFS2_SB(inode->i_sb)->osb_la_resmap, + &oi->ip_la_data_resv); + ocfs2_resv_init_once(&oi->ip_la_data_resv); + /* We very well may get a clear_inode before all an inodes * metadata has hit disk. Of course, we can't drop any cluster * locks until the journal has finished with it. The only diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h index ba4fe07..e45edca 100644 --- a/fs/ocfs2/inode.h +++ b/fs/ocfs2/inode.h @@ -70,6 +70,8 @@ struct ocfs2_inode_info /* Only valid if the inode is the dir. */ u32 ip_last_used_slot; u64 ip_last_used_group; + + struct ocfs2_alloc_reservation ip_la_data_resv; }; /* diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index cfe672e..2a9f4c4 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1707,6 +1707,8 @@ static void ocfs2_inode_init_once(void *data) oi->ip_blkno = 0ULL; oi->ip_clusters = 0; + ocfs2_resv_init_once(&oi->ip_la_data_resv); + ocfs2_lock_res_init_once(&oi->ip_rw_lockres); ocfs2_lock_res_init_once(&oi->ip_inode_lockres); ocfs2_lock_res_init_once(&oi->ip_open_lockres); |