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Diffstat (limited to 'fs/gfs2/file.c')
-rw-r--r--fs/gfs2/file.c42
1 files changed, 21 insertions, 21 deletions
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index acd16764b133..b3333371aebb 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -82,35 +82,28 @@ static loff_t gfs2_llseek(struct file *file, loff_t offset, int whence)
}
/**
- * gfs2_readdir - Read directory entries from a directory
+ * gfs2_readdir - Iterator for a directory
* @file: The directory to read from
- * @dirent: Buffer for dirents
- * @filldir: Function used to do the copying
+ * @ctx: What to feed directory entries to
*
* Returns: errno
*/
-static int gfs2_readdir(struct file *file, void *dirent, filldir_t filldir)
+static int gfs2_readdir(struct file *file, struct dir_context *ctx)
{
struct inode *dir = file->f_mapping->host;
struct gfs2_inode *dip = GFS2_I(dir);
struct gfs2_holder d_gh;
- u64 offset = file->f_pos;
int error;
- gfs2_holder_init(dip->i_gl, LM_ST_SHARED, 0, &d_gh);
- error = gfs2_glock_nq(&d_gh);
- if (error) {
- gfs2_holder_uninit(&d_gh);
+ error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, &d_gh);
+ if (error)
return error;
- }
- error = gfs2_dir_read(dir, &offset, dirent, filldir, &file->f_ra);
+ error = gfs2_dir_read(dir, ctx, &file->f_ra);
gfs2_glock_dq_uninit(&d_gh);
- file->f_pos = offset;
-
return error;
}
@@ -402,16 +395,20 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
/* Update file times before taking page lock */
file_update_time(vma->vm_file);
+ ret = get_write_access(inode);
+ if (ret)
+ goto out;
+
ret = gfs2_rs_alloc(ip);
if (ret)
- return ret;
+ goto out_write_access;
gfs2_size_hint(vma->vm_file, pos, PAGE_CACHE_SIZE);
gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
ret = gfs2_glock_nq(&gh);
if (ret)
- goto out;
+ goto out_uninit;
set_bit(GLF_DIRTY, &ip->i_gl->gl_flags);
set_bit(GIF_SW_PAGED, &ip->i_flags);
@@ -480,12 +477,15 @@ out_quota_unlock:
gfs2_quota_unlock(ip);
out_unlock:
gfs2_glock_dq(&gh);
-out:
+out_uninit:
gfs2_holder_uninit(&gh);
if (ret == 0) {
set_page_dirty(page);
wait_for_stable_page(page);
}
+out_write_access:
+ put_write_access(inode);
+out:
sb_end_pagefault(inode->i_sb);
return block_page_mkwrite_return(ret);
}
@@ -594,10 +594,10 @@ static int gfs2_release(struct inode *inode, struct file *file)
kfree(file->private_data);
file->private_data = NULL;
- if ((file->f_mode & FMODE_WRITE) &&
- (atomic_read(&inode->i_writecount) == 1))
- gfs2_rs_delete(ip);
+ if (!(file->f_mode & FMODE_WRITE))
+ return 0;
+ gfs2_rs_delete(ip);
return 0;
}
@@ -1041,7 +1041,7 @@ const struct file_operations gfs2_file_fops = {
};
const struct file_operations gfs2_dir_fops = {
- .readdir = gfs2_readdir,
+ .iterate = gfs2_readdir,
.unlocked_ioctl = gfs2_ioctl,
.open = gfs2_open,
.release = gfs2_release,
@@ -1071,7 +1071,7 @@ const struct file_operations gfs2_file_fops_nolock = {
};
const struct file_operations gfs2_dir_fops_nolock = {
- .readdir = gfs2_readdir,
+ .iterate = gfs2_readdir,
.unlocked_ioctl = gfs2_ioctl,
.open = gfs2_open,
.release = gfs2_release,