diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 10:52:55 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 10:52:55 -0700 |
commit | add096909da63ef32d6766f6771c07c9f16c6ee5 (patch) | |
tree | 58594bcf68cbb6f777d5270d098ab8ca69cbaee3 /fs/ocfs2/extent_map.c | |
parent | e245befce7af0a1e1347079ed62695b059594bd4 (diff) | |
parent | 54c57dc3b6578356c0a428c767d4bf080254a2ee (diff) |
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: (32 commits)
[PATCH] ocfs2: zero_user_page conversion
ocfs2: Support xfs style space reservation ioctls
ocfs2: support for removing file regions
ocfs2: update truncate handling of partial clusters
ocfs2: btree support for removal of arbirtrary extents
ocfs2: Support creation of unwritten extents
ocfs2: support writing of unwritten extents
ocfs2: small cleanup of ocfs2_write_begin_nolock()
ocfs2: btree changes for unwritten extents
ocfs2: abstract btree growing calls
ocfs2: use all extent block suballocators
ocfs2: plug truncate into cached dealloc routines
ocfs2: simplify deallocation locking
ocfs2: harden buffer check during mapping of page blocks
ocfs2: shared writeable mmap
ocfs2: factor out write aops into nolock variants
ocfs2: rework ocfs2_buffered_write_cluster()
ocfs2: take ip_alloc_sem during entire truncate
ocfs2: Add "preferred slot" mount option
[KJ PATCH] Replacing memset(<addr>,0,PAGE_SIZE) with clear_page() in fs/ocfs2/dlm/dlmrecovery.c
...
Diffstat (limited to 'fs/ocfs2/extent_map.c')
-rw-r--r-- | fs/ocfs2/extent_map.c | 41 |
1 files changed, 3 insertions, 38 deletions
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index ba2b2ab1c6e..03c1d365c78 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -109,17 +109,14 @@ static int ocfs2_extent_map_lookup(struct inode *inode, unsigned int cpos, */ void ocfs2_extent_map_trunc(struct inode *inode, unsigned int cpos) { - struct list_head *p, *n; - struct ocfs2_extent_map_item *emi; + struct ocfs2_extent_map_item *emi, *n; struct ocfs2_inode_info *oi = OCFS2_I(inode); struct ocfs2_extent_map *em = &oi->ip_extent_map; LIST_HEAD(tmp_list); unsigned int range; spin_lock(&oi->ip_lock); - list_for_each_safe(p, n, &em->em_list) { - emi = list_entry(p, struct ocfs2_extent_map_item, ei_list); - + list_for_each_entry_safe(emi, n, &em->em_list, ei_list) { if (emi->ei_cpos >= cpos) { /* Full truncate of this record. */ list_move(&emi->ei_list, &tmp_list); @@ -136,8 +133,7 @@ void ocfs2_extent_map_trunc(struct inode *inode, unsigned int cpos) } spin_unlock(&oi->ip_lock); - list_for_each_safe(p, n, &tmp_list) { - emi = list_entry(p, struct ocfs2_extent_map_item, ei_list); + list_for_each_entry_safe(emi, n, &tmp_list, ei_list) { list_del(&emi->ei_list); kfree(emi); } @@ -377,37 +373,6 @@ out: return ret; } -/* - * Return the index of the extent record which contains cluster #v_cluster. - * -1 is returned if it was not found. - * - * Should work fine on interior and exterior nodes. - */ -static int ocfs2_search_extent_list(struct ocfs2_extent_list *el, - u32 v_cluster) -{ - int ret = -1; - int i; - struct ocfs2_extent_rec *rec; - u32 rec_end, rec_start, clusters; - - for(i = 0; i < le16_to_cpu(el->l_next_free_rec); i++) { - rec = &el->l_recs[i]; - - rec_start = le32_to_cpu(rec->e_cpos); - clusters = ocfs2_rec_clusters(el, rec); - - rec_end = rec_start + clusters; - - if (v_cluster >= rec_start && v_cluster < rec_end) { - ret = i; - break; - } - } - - return ret; -} - int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, u32 *p_cluster, u32 *num_clusters, unsigned int *extent_flags) |