A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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cache the value of file_inode() in struct file

Browse source 
Note that this thing does *not* contribute to inode refcount;
it's pinned down by dentry.

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2013-03-01 19:48:30 -05:00
commit dd37978c50
3 changed files with 6 additions and 2 deletions
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3
fs/open.c
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@ -689,7 +689,7 @@ static int do_dentry_open(struct file *f,
f->f_mode = FMODE_PATH;
path_get(&f->f_path);
inode = file_inode(f);
inode = f->f_inode = f->f_path.dentry->d_inode;
if (f->f_mode & FMODE_WRITE) {
error = __get_file_write_access(inode, f->f_path.mnt);
if (error)
@ -752,6 +752,7 @@ cleanup_file:
path_put(&f->f_path);
f->f_path.mnt = NULL;
f->f_path.dentry = NULL;
f->f_inode = NULL;
return error;
}