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-rw-r--r--fs/ocfs2/alloc.c1
-rw-r--r--fs/ocfs2/aops.c37
-rw-r--r--fs/ocfs2/file.c5
-rw-r--r--fs/ocfs2/localalloc.c8
-rw-r--r--fs/ocfs2/localalloc.h2
-rw-r--r--fs/ocfs2/suballoc.c29
-rw-r--r--fs/ocfs2/suballoc.h11
-rw-r--r--fs/ocfs2/super.c69
-rw-r--r--fs/ocfs2/vote.c4
9 files changed, 101 insertions, 65 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 4f51766..778a850 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -5602,6 +5602,7 @@ static int ocfs2_do_truncate(struct ocfs2_super *osb,
clusters_to_del;
spin_unlock(&OCFS2_I(inode)->ip_lock);
le32_add_cpu(&fe->i_clusters, -clusters_to_del);
+ inode->i_blocks = ocfs2_inode_sector_count(inode);
status = ocfs2_trim_tree(inode, path, handle, tc,
clusters_to_del, &delete_blk);
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 460d440..f37f25c 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -855,6 +855,7 @@ static int ocfs2_alloc_write_ctxt(struct ocfs2_write_ctxt **wcp,
struct ocfs2_super *osb, loff_t pos,
unsigned len, struct buffer_head *di_bh)
{
+ u32 cend;
struct ocfs2_write_ctxt *wc;
wc = kzalloc(sizeof(struct ocfs2_write_ctxt), GFP_NOFS);
@@ -862,7 +863,8 @@ static int ocfs2_alloc_write_ctxt(struct ocfs2_write_ctxt **wcp,
return -ENOMEM;
wc->w_cpos = pos >> osb->s_clustersize_bits;
- wc->w_clen = ocfs2_clusters_for_bytes(osb->sb, len);
+ cend = (pos + len - 1) >> osb->s_clustersize_bits;
+ wc->w_clen = cend - wc->w_cpos + 1;
get_bh(di_bh);
wc->w_di_bh = di_bh;
@@ -928,18 +930,11 @@ static void ocfs2_write_failure(struct inode *inode,
loff_t user_pos, unsigned user_len)
{
int i;
- unsigned from, to;
+ unsigned from = user_pos & (PAGE_CACHE_SIZE - 1),
+ to = user_pos + user_len;
struct page *tmppage;
- ocfs2_zero_new_buffers(wc->w_target_page, user_pos, user_len);
-
- if (wc->w_large_pages) {
- from = wc->w_target_from;
- to = wc->w_target_to;
- } else {
- from = 0;
- to = PAGE_CACHE_SIZE;
- }
+ ocfs2_zero_new_buffers(wc->w_target_page, from, to);
for(i = 0; i < wc->w_num_pages; i++) {
tmppage = wc->w_pages[i];
@@ -989,9 +984,6 @@ static int ocfs2_prepare_page_for_write(struct inode *inode, u64 *p_blkno,
map_from = cluster_start;
map_to = cluster_end;
}
-
- wc->w_target_from = map_from;
- wc->w_target_to = map_to;
} else {
/*
* If we haven't allocated the new page yet, we
@@ -1209,18 +1201,33 @@ static int ocfs2_write_cluster_by_desc(struct address_space *mapping,
loff_t pos, unsigned len)
{
int ret, i;
+ loff_t cluster_off;
+ unsigned int local_len = len;
struct ocfs2_write_cluster_desc *desc;
+ struct ocfs2_super *osb = OCFS2_SB(mapping->host->i_sb);
for (i = 0; i < wc->w_clen; i++) {
desc = &wc->w_desc[i];
+ /*
+ * We have to make sure that the total write passed in
+ * doesn't extend past a single cluster.
+ */
+ local_len = len;
+ cluster_off = pos & (osb->s_clustersize - 1);
+ if ((cluster_off + local_len) > osb->s_clustersize)
+ local_len = osb->s_clustersize - cluster_off;
+
ret = ocfs2_write_cluster(mapping, desc->c_phys,
desc->c_unwritten, data_ac, meta_ac,
- wc, desc->c_cpos, pos, len);
+ wc, desc->c_cpos, pos, local_len);
if (ret) {
mlog_errno(ret);
goto out;
}
+
+ len -= local_len;
+ pos += local_len;
}
ret = 0;
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 4ffa715be..f3bc365 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -314,7 +314,6 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb,
}
i_size_write(inode, new_i_size);
- inode->i_blocks = ocfs2_align_bytes_to_sectors(new_i_size);
inode->i_ctime = inode->i_mtime = CURRENT_TIME;
di = (struct ocfs2_dinode *) fe_bh->b_data;
@@ -492,8 +491,8 @@ int ocfs2_do_extend_allocation(struct ocfs2_super *osb,
goto leave;
}
- status = ocfs2_claim_clusters(osb, handle, data_ac, 1,
- &bit_off, &num_bits);
+ status = __ocfs2_claim_clusters(osb, handle, data_ac, 1,
+ clusters_to_add, &bit_off, &num_bits);
if (status < 0) {
if (status != -ENOSPC)
mlog_errno(status);
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 545f789..d272847 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -514,8 +514,10 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
ac->ac_bh = osb->local_alloc_bh;
status = 0;
bail:
- if (status < 0 && local_alloc_inode)
+ if (status < 0 && local_alloc_inode) {
+ mutex_unlock(&local_alloc_inode->i_mutex);
iput(local_alloc_inode);
+ }
mlog_exit(status);
return status;
@@ -524,13 +526,12 @@ bail:
int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
handle_t *handle,
struct ocfs2_alloc_context *ac,
- u32 min_bits,
+ u32 bits_wanted,
u32 *bit_off,
u32 *num_bits)
{
int status, start;
struct inode *local_alloc_inode;
- u32 bits_wanted;
void *bitmap;
struct ocfs2_dinode *alloc;
struct ocfs2_local_alloc *la;
@@ -538,7 +539,6 @@ int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
mlog_entry_void();
BUG_ON(ac->ac_which != OCFS2_AC_USE_LOCAL);
- bits_wanted = ac->ac_bits_wanted - ac->ac_bits_given;
local_alloc_inode = ac->ac_inode;
alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data;
la = OCFS2_LOCAL_ALLOC(alloc);
diff --git a/fs/ocfs2/localalloc.h b/fs/ocfs2/localalloc.h
index 385a101..3f76631 100644
--- a/fs/ocfs2/localalloc.h
+++ b/fs/ocfs2/localalloc.h
@@ -48,7 +48,7 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
handle_t *handle,
struct ocfs2_alloc_context *ac,
- u32 min_bits,
+ u32 bits_wanted,
u32 *bit_off,
u32 *num_bits);
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index d9c5c9f..8f09f52 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -1486,21 +1486,21 @@ static inline void ocfs2_block_to_cluster_group(struct inode *inode,
* contig. allocation, set to '1' to indicate we can deal with extents
* of any size.
*/
-int ocfs2_claim_clusters(struct ocfs2_super *osb,
- handle_t *handle,
- struct ocfs2_alloc_context *ac,
- u32 min_clusters,
- u32 *cluster_start,
- u32 *num_clusters)
+int __ocfs2_claim_clusters(struct ocfs2_super *osb,
+ handle_t *handle,
+ struct ocfs2_alloc_context *ac,
+ u32 min_clusters,
+ u32 max_clusters,
+ u32 *cluster_start,
+ u32 *num_clusters)
{
int status;
- unsigned int bits_wanted = ac->ac_bits_wanted - ac->ac_bits_given;
+ unsigned int bits_wanted = max_clusters;
u64 bg_blkno = 0;
u16 bg_bit_off;
mlog_entry_void();
- BUG_ON(!ac);
BUG_ON(ac->ac_bits_given >= ac->ac_bits_wanted);
BUG_ON(ac->ac_which != OCFS2_AC_USE_LOCAL
@@ -1557,6 +1557,19 @@ bail:
return status;
}
+int ocfs2_claim_clusters(struct ocfs2_super *osb,
+ handle_t *handle,
+ struct ocfs2_alloc_context *ac,
+ u32 min_clusters,
+ u32 *cluster_start,
+ u32 *num_clusters)
+{
+ unsigned int bits_wanted = ac->ac_bits_wanted - ac->ac_bits_given;
+
+ return __ocfs2_claim_clusters(osb, handle, ac, min_clusters,
+ bits_wanted, cluster_start, num_clusters);
+}
+
static inline int ocfs2_block_group_clear_bits(handle_t *handle,
struct inode *alloc_inode,
struct ocfs2_group_desc *bg,
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index f212dc0..cafe937 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -85,6 +85,17 @@ int ocfs2_claim_clusters(struct ocfs2_super *osb,
u32 min_clusters,
u32 *cluster_start,
u32 *num_clusters);
+/*
+ * Use this variant of ocfs2_claim_clusters to specify a maxiumum
+ * number of clusters smaller than the allocation reserved.
+ */
+int __ocfs2_claim_clusters(struct ocfs2_super *osb,
+ handle_t *handle,
+ struct ocfs2_alloc_context *ac,
+ u32 min_clusters,
+ u32 max_clusters,
+ u32 *cluster_start,
+ u32 *num_clusters);
int ocfs2_free_suballoc_bits(handle_t *handle,
struct inode *alloc_inode,
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index f2fc9a7..c034b51 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -81,8 +81,15 @@ static struct dentry *ocfs2_debugfs_root = NULL;
MODULE_AUTHOR("Oracle");
MODULE_LICENSE("GPL");
+struct mount_options
+{
+ unsigned long mount_opt;
+ unsigned int atime_quantum;
+ signed short slot;
+};
+
static int ocfs2_parse_options(struct super_block *sb, char *options,
- unsigned long *mount_opt, s16 *slot,
+ struct mount_options *mopt,
int is_remount);
static void ocfs2_put_super(struct super_block *sb);
static int ocfs2_mount_volume(struct super_block *sb);
@@ -367,24 +374,23 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data)
{
int incompat_features;
int ret = 0;
- unsigned long parsed_options;
- s16 slot;
+ struct mount_options parsed_options;
struct ocfs2_super *osb = OCFS2_SB(sb);
- if (!ocfs2_parse_options(sb, data, &parsed_options, &slot, 1)) {
+ if (!ocfs2_parse_options(sb, data, &parsed_options, 1)) {
ret = -EINVAL;
goto out;
}
if ((osb->s_mount_opt & OCFS2_MOUNT_HB_LOCAL) !=
- (parsed_options & OCFS2_MOUNT_HB_LOCAL)) {
+ (parsed_options.mount_opt & OCFS2_MOUNT_HB_LOCAL)) {
ret = -EINVAL;
mlog(ML_ERROR, "Cannot change heartbeat mode on remount\n");
goto out;
}
if ((osb->s_mount_opt & OCFS2_MOUNT_DATA_WRITEBACK) !=
- (parsed_options & OCFS2_MOUNT_DATA_WRITEBACK)) {
+ (parsed_options.mount_opt & OCFS2_MOUNT_DATA_WRITEBACK)) {
ret = -EINVAL;
mlog(ML_ERROR, "Cannot change data mode on remount\n");
goto out;
@@ -435,7 +441,9 @@ unlock_osb:
/* Only save off the new mount options in case of a successful
* remount. */
- osb->s_mount_opt = parsed_options;
+ osb->s_mount_opt = parsed_options.mount_opt;
+ osb->s_atime_quantum = parsed_options.atime_quantum;
+ osb->preferred_slot = parsed_options.slot;
}
out:
return ret;
@@ -547,8 +555,7 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
{
struct dentry *root;
int status, sector_size;
- unsigned long parsed_opt;
- s16 slot;
+ struct mount_options parsed_options;
struct inode *inode = NULL;
struct ocfs2_super *osb = NULL;
struct buffer_head *bh = NULL;
@@ -556,14 +563,14 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
mlog_entry("%p, %p, %i", sb, data, silent);
- if (!ocfs2_parse_options(sb, data, &parsed_opt, &slot, 0)) {
+ if (!ocfs2_parse_options(sb, data, &parsed_options, 0)) {
status = -EINVAL;
goto read_super_error;
}
/* for now we only have one cluster/node, make sure we see it
* in the heartbeat universe */
- if (parsed_opt & OCFS2_MOUNT_HB_LOCAL) {
+ if (parsed_options.mount_opt & OCFS2_MOUNT_HB_LOCAL) {
if (!o2hb_check_local_node_heartbeating()) {
status = -EINVAL;
goto read_super_error;
@@ -585,8 +592,9 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
}
brelse(bh);
bh = NULL;
- osb->s_mount_opt = parsed_opt;
- osb->preferred_slot = slot;
+ osb->s_mount_opt = parsed_options.mount_opt;
+ osb->s_atime_quantum = parsed_options.atime_quantum;
+ osb->preferred_slot = parsed_options.slot;
sb->s_magic = OCFS2_SUPER_MAGIC;
@@ -728,8 +736,7 @@ static struct file_system_type ocfs2_fs_type = {
static int ocfs2_parse_options(struct super_block *sb,
char *options,
- unsigned long *mount_opt,
- s16 *slot,
+ struct mount_options *mopt,
int is_remount)
{
int status;
@@ -738,8 +745,9 @@ static int ocfs2_parse_options(struct super_block *sb,
mlog_entry("remount: %d, options: \"%s\"\n", is_remount,
options ? options : "(none)");
- *mount_opt = 0;
- *slot = OCFS2_INVALID_SLOT;
+ mopt->mount_opt = 0;
+ mopt->atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM;
+ mopt->slot = OCFS2_INVALID_SLOT;
if (!options) {
status = 1;
@@ -749,7 +757,6 @@ static int ocfs2_parse_options(struct super_block *sb,
while ((p = strsep(&options, ",")) != NULL) {
int token, option;
substring_t args[MAX_OPT_ARGS];
- struct ocfs2_super * osb = OCFS2_SB(sb);
if (!*p)
continue;
@@ -757,10 +764,10 @@ static int ocfs2_parse_options(struct super_block *sb,
token = match_token(p, tokens, args);
switch (token) {
case Opt_hb_local:
- *mount_opt |= OCFS2_MOUNT_HB_LOCAL;
+ mopt->mount_opt |= OCFS2_MOUNT_HB_LOCAL;
break;
case Opt_hb_none:
- *mount_opt &= ~OCFS2_MOUNT_HB_LOCAL;
+ mopt->mount_opt &= ~OCFS2_MOUNT_HB_LOCAL;
break;
case Opt_barrier:
if (match_int(&args[0], &option)) {
@@ -768,27 +775,27 @@ static int ocfs2_parse_options(struct super_block *sb,
goto bail;
}
if (option)
- *mount_opt |= OCFS2_MOUNT_BARRIER;
+ mopt->mount_opt |= OCFS2_MOUNT_BARRIER;
else
- *mount_opt &= ~OCFS2_MOUNT_BARRIER;
+ mopt->mount_opt &= ~OCFS2_MOUNT_BARRIER;
break;
case Opt_intr:
- *mount_opt &= ~OCFS2_MOUNT_NOINTR;
+ mopt->mount_opt &= ~OCFS2_MOUNT_NOINTR;
break;
case Opt_nointr:
- *mount_opt |= OCFS2_MOUNT_NOINTR;
+ mopt->mount_opt |= OCFS2_MOUNT_NOINTR;
break;
case Opt_err_panic:
- *mount_opt |= OCFS2_MOUNT_ERRORS_PANIC;
+ mopt->mount_opt |= OCFS2_MOUNT_ERRORS_PANIC;
break;
case Opt_err_ro:
- *mount_opt &= ~OCFS2_MOUNT_ERRORS_PANIC;
+ mopt->mount_opt &= ~OCFS2_MOUNT_ERRORS_PANIC;
break;
case Opt_data_ordered:
- *mount_opt &= ~OCFS2_MOUNT_DATA_WRITEBACK;
+ mopt->mount_opt &= ~OCFS2_MOUNT_DATA_WRITEBACK;
break;
case Opt_data_writeback:
- *mount_opt |= OCFS2_MOUNT_DATA_WRITEBACK;
+ mopt->mount_opt |= OCFS2_MOUNT_DATA_WRITEBACK;
break;
case Opt_atime_quantum:
if (match_int(&args[0], &option)) {
@@ -796,9 +803,7 @@ static int ocfs2_parse_options(struct super_block *sb,
goto bail;
}
if (option >= 0)
- osb->s_atime_quantum = option;
- else
- osb->s_atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM;
+ mopt->atime_quantum = option;
break;
case Opt_slot:
option = 0;
@@ -807,7 +812,7 @@ static int ocfs2_parse_options(struct super_block *sb,
goto bail;
}
if (option)
- *slot = (s16)option;
+ mopt->slot = (s16)option;
break;
default:
mlog(ML_ERROR,
diff --git a/fs/ocfs2/vote.c b/fs/ocfs2/vote.c
index 66a13ee..c053585 100644
--- a/fs/ocfs2/vote.c
+++ b/fs/ocfs2/vote.c
@@ -66,7 +66,7 @@ struct ocfs2_vote_msg
{
struct ocfs2_msg_hdr v_hdr;
__be32 v_reserved1;
-};
+} __attribute__ ((packed));
/* Responses are given these values to maintain backwards
* compatibility with older ocfs2 versions */
@@ -78,7 +78,7 @@ struct ocfs2_response_msg
{
struct ocfs2_msg_hdr r_hdr;
__be32 r_response;
-};
+} __attribute__ ((packed));
struct ocfs2_vote_work {
struct list_head w_list;
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