leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ocfs2: use allocation reservations during file write

Browse Source 
Add a per-inode reservations structure and pass it through to the
reservations code.

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Mark Fasheh 2009-12-07 13:15:40 -08:00 committed by Joel Becker
parent d02f00cc05
commit 4fe370afaa
6 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/ocfs2/alloc.c
View File

@ -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) {

3
fs/ocfs2/aops.c
View File

@ -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);

3
fs/ocfs2/file.c
View File

@ -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

4
fs/ocfs2/inode.c
View File

@ -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

2
fs/ocfs2/inode.h
View File

@ -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;
};
/*

2
fs/ocfs2/super.c
View File

@ -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);