xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[JFFS2] semaphore->mutex conversion

Browse Source 
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse
2008-04-22 15:13:40 +01:00
parent 52f8301437
commit ced2207036
14 changed files with 168 additions and 167 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
fs/jffs2/file.c
View File

@@ -115,9 +115,9 @@ static int jffs2_readpage (struct file *filp, struct page *pg)
struct jffs2_inode_info *f = JFFS2_INODE_INFO(pg->mapping->host);
int ret;
down(&f->sem);
mutex_lock(&f->sem);
ret = jffs2_do_readpage_unlock(pg->mapping->host, pg);
up(&f->sem);
mutex_unlock(&f->sem);
return ret;
}
@@ -154,7 +154,7 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping,
if (ret)
goto out_page;
down(&f->sem);
mutex_lock(&f->sem);
memset(&ri, 0, sizeof(ri));
ri.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
@@ -181,7 +181,7 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping,
if (IS_ERR(fn)) {
ret = PTR_ERR(fn);
jffs2_complete_reservation(c);
up(&f->sem);
mutex_unlock(&f->sem);
goto out_page;
}
ret = jffs2_add_full_dnode_to_inode(c, f, fn);
@@ -195,12 +195,12 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping,
jffs2_mark_node_obsolete(c, fn->raw);
jffs2_free_full_dnode(fn);
jffs2_complete_reservation(c);
up(&f->sem);
mutex_unlock(&f->sem);
goto out_page;
}
jffs2_complete_reservation(c);
inode->i_size = pageofs;
up(&f->sem);
mutex_unlock(&f->sem);
}
/*
@@ -209,9 +209,9 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping,
* case of a short-copy.
*/
if (!PageUptodate(pg)) {
down(&f->sem);
mutex_lock(&f->sem);
ret = jffs2_do_readpage_nolock(inode, pg);
up(&f->sem);
mutex_unlock(&f->sem);
if (ret)
goto out_page;
}