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Diffstat (limited to 'fs/jffs2')
-rw-r--r--fs/jffs2/background.c12
-rw-r--r--fs/jffs2/compr_rtime.c4
-rw-r--r--fs/jffs2/file.c8
-rw-r--r--fs/jffs2/fs.c13
-rw-r--r--fs/jffs2/nodelist.h2
-rw-r--r--fs/jffs2/nodemgmt.c14
-rw-r--r--fs/jffs2/super.c1
7 files changed, 33 insertions, 21 deletions
diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c
index 2b60ce1996a..bb9cebc9ca8 100644
--- a/fs/jffs2/background.c
+++ b/fs/jffs2/background.c
@@ -75,10 +75,13 @@ void jffs2_stop_garbage_collect_thread(struct jffs2_sb_info *c)
static int jffs2_garbage_collect_thread(void *_c)
{
struct jffs2_sb_info *c = _c;
+ sigset_t hupmask;
+ siginitset(&hupmask, sigmask(SIGHUP));
allow_signal(SIGKILL);
allow_signal(SIGSTOP);
allow_signal(SIGCONT);
+ allow_signal(SIGHUP);
c->gc_task = current;
complete(&c->gc_thread_start);
@@ -87,7 +90,7 @@ static int jffs2_garbage_collect_thread(void *_c)
set_freezable();
for (;;) {
- allow_signal(SIGHUP);
+ sigprocmask(SIG_UNBLOCK, &hupmask, NULL);
again:
spin_lock(&c->erase_completion_lock);
if (!jffs2_thread_should_wake(c)) {
@@ -95,10 +98,9 @@ static int jffs2_garbage_collect_thread(void *_c)
spin_unlock(&c->erase_completion_lock);
jffs2_dbg(1, "%s(): sleeping...\n", __func__);
schedule();
- } else
+ } else {
spin_unlock(&c->erase_completion_lock);
-
-
+ }
/* Problem - immediately after bootup, the GCD spends a lot
* of time in places like jffs2_kill_fragtree(); so much so
* that userspace processes (like gdm and X) are starved
@@ -150,7 +152,7 @@ static int jffs2_garbage_collect_thread(void *_c)
}
}
/* We don't want SIGHUP to interrupt us. STOP and KILL are OK though. */
- disallow_signal(SIGHUP);
+ sigprocmask(SIG_BLOCK, &hupmask, NULL);
jffs2_dbg(1, "%s(): pass\n", __func__);
if (jffs2_garbage_collect_pass(c) == -ENOSPC) {
diff --git a/fs/jffs2/compr_rtime.c b/fs/jffs2/compr_rtime.c
index 16a5047903a..406d9cc84ba 100644
--- a/fs/jffs2/compr_rtime.c
+++ b/fs/jffs2/compr_rtime.c
@@ -33,7 +33,7 @@ static int jffs2_rtime_compress(unsigned char *data_in,
unsigned char *cpage_out,
uint32_t *sourcelen, uint32_t *dstlen)
{
- short positions[256];
+ unsigned short positions[256];
int outpos = 0;
int pos=0;
@@ -74,7 +74,7 @@ static int jffs2_rtime_decompress(unsigned char *data_in,
unsigned char *cpage_out,
uint32_t srclen, uint32_t destlen)
{
- short positions[256];
+ unsigned short positions[256];
int outpos = 0;
int pos=0;
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 256cd19a3b7..64989ca9ba9 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -51,10 +51,10 @@ const struct file_operations jffs2_file_operations =
{
.llseek = generic_file_llseek,
.open = generic_file_open,
- .read = do_sync_read,
- .aio_read = generic_file_aio_read,
- .write = do_sync_write,
- .aio_write = generic_file_aio_write,
+ .read = new_sync_read,
+ .read_iter = generic_file_read_iter,
+ .write = new_sync_write,
+ .write_iter = generic_file_write_iter,
.unlocked_ioctl=jffs2_ioctl,
.mmap = generic_file_readonly_mmap,
.fsync = jffs2_fsync,
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index a69e426435d..601afd1afdd 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -242,7 +242,7 @@ void jffs2_evict_inode (struct inode *inode)
jffs2_dbg(1, "%s(): ino #%lu mode %o\n",
__func__, inode->i_ino, inode->i_mode);
- truncate_inode_pages(&inode->i_data, 0);
+ truncate_inode_pages_final(&inode->i_data);
clear_inode(inode);
jffs2_do_clear_inode(c, f);
}
@@ -457,12 +457,14 @@ struct inode *jffs2_new_inode (struct inode *dir_i, umode_t mode, struct jffs2_r
The umask is only applied if there's no default ACL */
ret = jffs2_init_acl_pre(dir_i, inode, &mode);
if (ret) {
- make_bad_inode(inode);
- iput(inode);
- return ERR_PTR(ret);
+ mutex_unlock(&f->sem);
+ make_bad_inode(inode);
+ iput(inode);
+ return ERR_PTR(ret);
}
ret = jffs2_do_new_inode (c, f, mode, ri);
if (ret) {
+ mutex_unlock(&f->sem);
make_bad_inode(inode);
iput(inode);
return ERR_PTR(ret);
@@ -479,6 +481,7 @@ struct inode *jffs2_new_inode (struct inode *dir_i, umode_t mode, struct jffs2_r
inode->i_size = 0;
if (insert_inode_locked(inode) < 0) {
+ mutex_unlock(&f->sem);
make_bad_inode(inode);
iput(inode);
return ERR_PTR(-EINVAL);
@@ -687,7 +690,7 @@ unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c,
struct inode *inode = OFNI_EDONI_2SFFJ(f);
struct page *pg;
- pg = read_cache_page_async(inode->i_mapping, offset >> PAGE_CACHE_SHIFT,
+ pg = read_cache_page(inode->i_mapping, offset >> PAGE_CACHE_SHIFT,
(void *)jffs2_do_readpage_unlock, inode);
if (IS_ERR(pg))
return (void *)pg;
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index e4619b00f7c..fa35ff79ab3 100644
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -231,7 +231,7 @@ struct jffs2_tmp_dnode_info
uint32_t version;
uint32_t data_crc;
uint32_t partial_crc;
- uint16_t csize;
+ uint32_t csize;
uint16_t overlapped;
};
diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index 03310721712..b6bd4affd9a 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -179,6 +179,7 @@ int jffs2_reserve_space(struct jffs2_sb_info *c, uint32_t minsize,
spin_unlock(&c->erase_completion_lock);
schedule();
+ remove_wait_queue(&c->erase_wait, &wait);
} else
spin_unlock(&c->erase_completion_lock);
} else if (ret)
@@ -211,20 +212,25 @@ out:
int jffs2_reserve_space_gc(struct jffs2_sb_info *c, uint32_t minsize,
uint32_t *len, uint32_t sumsize)
{
- int ret = -EAGAIN;
+ int ret;
minsize = PAD(minsize);
jffs2_dbg(1, "%s(): Requested 0x%x bytes\n", __func__, minsize);
- spin_lock(&c->erase_completion_lock);
- while(ret == -EAGAIN) {
+ while (true) {
+ spin_lock(&c->erase_completion_lock);
ret = jffs2_do_reserve_space(c, minsize, len, sumsize);
if (ret) {
jffs2_dbg(1, "%s(): looping, ret is %d\n",
__func__, ret);
}
+ spin_unlock(&c->erase_completion_lock);
+
+ if (ret == -EAGAIN)
+ cond_resched();
+ else
+ break;
}
- spin_unlock(&c->erase_completion_lock);
if (!ret)
ret = jffs2_prealloc_raw_node_refs(c, c->nextblock, 1);
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 0defb1cc2a3..0918f0e2e26 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -243,6 +243,7 @@ static int jffs2_remount_fs(struct super_block *sb, int *flags, char *data)
struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);
int err;
+ sync_filesystem(sb);
err = jffs2_parse_options(c, data);
if (err)
return -EINVAL;