diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/udf/dir.c | 118 |
1 files changed, 56 insertions, 62 deletions
diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 4d9b2153f686..4b44e23caa12 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c | |||
@@ -36,68 +36,8 @@ | |||
36 | #include "udf_i.h" | 36 | #include "udf_i.h" |
37 | #include "udf_sb.h" | 37 | #include "udf_sb.h" |
38 | 38 | ||
39 | /* Prototypes for file operations */ | 39 | static int do_udf_readdir(struct inode *dir, struct file *filp, |
40 | static int udf_readdir(struct file *, void *, filldir_t); | 40 | filldir_t filldir, void *dirent) |
41 | static int do_udf_readdir(struct inode *, struct file *, filldir_t, void *); | ||
42 | |||
43 | /* readdir and lookup functions */ | ||
44 | |||
45 | const struct file_operations udf_dir_operations = { | ||
46 | .read = generic_read_dir, | ||
47 | .readdir = udf_readdir, | ||
48 | .ioctl = udf_ioctl, | ||
49 | .fsync = udf_fsync_file, | ||
50 | }; | ||
51 | |||
52 | /* | ||
53 | * udf_readdir | ||
54 | * | ||
55 | * PURPOSE | ||
56 | * Read a directory entry. | ||
57 | * | ||
58 | * DESCRIPTION | ||
59 | * Optional - sys_getdents() will return -ENOTDIR if this routine is not | ||
60 | * available. | ||
61 | * | ||
62 | * Refer to sys_getdents() in fs/readdir.c | ||
63 | * sys_getdents() -> . | ||
64 | * | ||
65 | * PRE-CONDITIONS | ||
66 | * filp Pointer to directory file. | ||
67 | * buf Pointer to directory entry buffer. | ||
68 | * filldir Pointer to filldir function. | ||
69 | * | ||
70 | * POST-CONDITIONS | ||
71 | * <return> >=0 on success. | ||
72 | * | ||
73 | * HISTORY | ||
74 | * July 1, 1997 - Andrew E. Mileski | ||
75 | * Written, tested, and released. | ||
76 | */ | ||
77 | |||
78 | int udf_readdir(struct file *filp, void *dirent, filldir_t filldir) | ||
79 | { | ||
80 | struct inode *dir = filp->f_path.dentry->d_inode; | ||
81 | int result; | ||
82 | |||
83 | lock_kernel(); | ||
84 | |||
85 | if (filp->f_pos == 0) { | ||
86 | if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) < 0) { | ||
87 | unlock_kernel(); | ||
88 | return 0; | ||
89 | } | ||
90 | filp->f_pos++; | ||
91 | } | ||
92 | |||
93 | result = do_udf_readdir(dir, filp, filldir, dirent); | ||
94 | unlock_kernel(); | ||
95 | return result; | ||
96 | } | ||
97 | |||
98 | static int | ||
99 | do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, | ||
100 | void *dirent) | ||
101 | { | 41 | { |
102 | struct udf_fileident_bh fibh; | 42 | struct udf_fileident_bh fibh; |
103 | struct fileIdentDesc *fi = NULL; | 43 | struct fileIdentDesc *fi = NULL; |
@@ -247,3 +187,57 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, | |||
247 | 187 | ||
248 | return 0; | 188 | return 0; |
249 | } | 189 | } |
190 | |||
191 | /* | ||
192 | * udf_readdir | ||
193 | * | ||
194 | * PURPOSE | ||
195 | * Read a directory entry. | ||
196 | * | ||
197 | * DESCRIPTION | ||
198 | * Optional - sys_getdents() will return -ENOTDIR if this routine is not | ||
199 | * available. | ||
200 | * | ||
201 | * Refer to sys_getdents() in fs/readdir.c | ||
202 | * sys_getdents() -> . | ||
203 | * | ||
204 | * PRE-CONDITIONS | ||
205 | * filp Pointer to directory file. | ||
206 | * buf Pointer to directory entry buffer. | ||
207 | * filldir Pointer to filldir function. | ||
208 | * | ||
209 | * POST-CONDITIONS | ||
210 | * <return> >=0 on success. | ||
211 | * | ||
212 | * HISTORY | ||
213 | * July 1, 1997 - Andrew E. Mileski | ||
214 | * Written, tested, and released. | ||
215 | */ | ||
216 | |||
217 | static int udf_readdir(struct file *filp, void *dirent, filldir_t filldir) | ||
218 | { | ||
219 | struct inode *dir = filp->f_path.dentry->d_inode; | ||
220 | int result; | ||
221 | |||
222 | lock_kernel(); | ||
223 | |||
224 | if (filp->f_pos == 0) { | ||
225 | if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) < 0) { | ||
226 | unlock_kernel(); | ||
227 | return 0; | ||
228 | } | ||
229 | filp->f_pos++; | ||
230 | } | ||
231 | |||
232 | result = do_udf_readdir(dir, filp, filldir, dirent); | ||
233 | unlock_kernel(); | ||
234 | return result; | ||
235 | } | ||
236 | |||
237 | /* readdir and lookup functions */ | ||
238 | const struct file_operations udf_dir_operations = { | ||
239 | .read = generic_read_dir, | ||
240 | .readdir = udf_readdir, | ||
241 | .ioctl = udf_ioctl, | ||
242 | .fsync = udf_fsync_file, | ||
243 | }; | ||