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| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-03-01 19:48:30 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-03-01 19:48:30 -0500 |
| commit | dd37978c50bc8b354e5c4633f69387f16572fdac (patch) | |
| tree | d233c7027f26869485f96556cc9cddacbb3a8f2d /include | |
| parent | 5e608671dfbfd6a9556c31df65a4f147439eed59 (diff) | |
| download | lwn-dd37978c50bc8b354e5c4633f69387f16572fdac.tar.gz lwn-dd37978c50bc8b354e5c4633f69387f16572fdac.zip | |
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 'include')
| -rw-r--r-- | include/linux/fs.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 4e686a099465..74a907b8b950 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -769,6 +769,7 @@ struct file { } f_u; struct path f_path; #define f_dentry f_path.dentry + struct inode *f_inode; /* cached value */ const struct file_operations *f_op; /* @@ -2217,7 +2218,7 @@ static inline bool execute_ok(struct inode *inode) static inline struct inode *file_inode(struct file *f) { - return f->f_path.dentry->d_inode; + return f->f_inode; } /* |