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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-01 19:48:30 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-03-01 19:48:30 -0500
commitdd37978c50bc8b354e5c4633f69387f16572fdac (patch)
treed233c7027f26869485f96556cc9cddacbb3a8f2d /fs/file_table.c
parent5e608671dfbfd6a9556c31df65a4f147439eed59 (diff)
downloadlinux-dd37978c50bc8b354e5c4633f69387f16572fdac.tar.bz2
cache the value of file_inode() in struct file
Note that this thing does *not* contribute to inode refcount; it's pinned down by dentry. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/file_table.c')
-rw-r--r--fs/file_table.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/file_table.c b/fs/file_table.c
index aa07d3684a2e..cd4d87a82951 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -176,6 +176,7 @@ struct file *alloc_file(struct path *path, fmode_t mode,
return file;
file->f_path = *path;
+ file->f_inode = path->dentry->d_inode;
file->f_mapping = path->dentry->d_inode->i_mapping;
file->f_mode = mode;
file->f_op = fop;
@@ -258,6 +259,7 @@ static void __fput(struct file *file)
drop_file_write_access(file);
file->f_path.dentry = NULL;
file->f_path.mnt = NULL;
+ file->f_inode = NULL;
file_free(file);
dput(dentry);
mntput(mnt);