diff options
| author | Michael Halcrow <mhalcrow@us.ibm.com> | 2006-10-30 22:07:19 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-31 08:07:01 -0800 |
| commit | 7ff1d74f5670329ac4b5959a675f8698ba95be20 (patch) | |
| tree | 1084427fcd0b979c8434315050033dd356623cf3 /fs/ecryptfs/crypto.c | |
| parent | 8bba066f4e3854755a303cee37ea37bd080a46b3 (diff) | |
| download | linux-7ff1d74f5670329ac4b5959a675f8698ba95be20.tar.gz | |
[PATCH] eCryptfs: Consolidate lower dentry_open's
Opens on lower dentry objects happen in several places in eCryptfs, and they
all involve the same steps (dget, mntget, dentry_open). This patch
consolidates the lower open events into a single function call.
Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ecryptfs/crypto.c')
| -rw-r--r-- | fs/ecryptfs/crypto.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 2a1b6aa1a4a18d..f49f105394b70a 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -1191,28 +1191,28 @@ int ecryptfs_cipher_code_to_string(char *str, u16 cipher_code) int ecryptfs_read_header_region(char *data, struct dentry *dentry, struct vfsmount *mnt) { - struct file *file; + struct file *lower_file; mm_segment_t oldfs; int rc; - mnt = mntget(mnt); - file = dentry_open(dentry, mnt, O_RDONLY); - if (IS_ERR(file)) { - ecryptfs_printk(KERN_DEBUG, "Error opening file to " - "read header region\n"); - mntput(mnt); - rc = PTR_ERR(file); + if ((rc = ecryptfs_open_lower_file(&lower_file, dentry, mnt, + O_RDONLY))) { + printk(KERN_ERR + "Error opening lower_file to read header region\n"); goto out; } - file->f_pos = 0; + lower_file->f_pos = 0; oldfs = get_fs(); set_fs(get_ds()); /* For releases 0.1 and 0.2, all of the header information * fits in the first data extent-sized region. */ - rc = file->f_op->read(file, (char __user *)data, - ECRYPTFS_DEFAULT_EXTENT_SIZE, &file->f_pos); + rc = lower_file->f_op->read(lower_file, (char __user *)data, + ECRYPTFS_DEFAULT_EXTENT_SIZE, &lower_file->f_pos); set_fs(oldfs); - fput(file); + if ((rc = ecryptfs_close_lower_file(lower_file))) { + printk(KERN_ERR "Error closing lower_file\n"); + goto out; + } rc = 0; out: return rc; |