diff options
-rw-r--r-- | fs/anon_inodes.c | 13 | ||||
-rw-r--r-- | fs/pipe.c | 18 | ||||
-rw-r--r-- | net/socket.c | 19 |
3 files changed, 0 insertions, 50 deletions
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c index 01c529a3f7d2..2c994591f4d7 100644 --- a/fs/anon_inodes.c +++ b/fs/anon_inodes.c | |||
@@ -35,16 +35,6 @@ static int anon_inodefs_get_sb(struct file_system_type *fs_type, int flags, | |||
35 | mnt); | 35 | mnt); |
36 | } | 36 | } |
37 | 37 | ||
38 | static int anon_inodefs_delete_dentry(struct dentry *dentry) | ||
39 | { | ||
40 | /* | ||
41 | * We faked vfs to believe the dentry was hashed when we created it. | ||
42 | * Now we restore the flag so that dput() will work correctly. | ||
43 | */ | ||
44 | dentry->d_flags |= DCACHE_UNHASHED; | ||
45 | return 1; | ||
46 | } | ||
47 | |||
48 | /* | 38 | /* |
49 | * anon_inodefs_dname() is called from d_path(). | 39 | * anon_inodefs_dname() is called from d_path(). |
50 | */ | 40 | */ |
@@ -60,7 +50,6 @@ static struct file_system_type anon_inode_fs_type = { | |||
60 | .kill_sb = kill_anon_super, | 50 | .kill_sb = kill_anon_super, |
61 | }; | 51 | }; |
62 | static const struct dentry_operations anon_inodefs_dentry_operations = { | 52 | static const struct dentry_operations anon_inodefs_dentry_operations = { |
63 | .d_delete = anon_inodefs_delete_dentry, | ||
64 | .d_dname = anon_inodefs_dname, | 53 | .d_dname = anon_inodefs_dname, |
65 | }; | 54 | }; |
66 | 55 | ||
@@ -129,8 +118,6 @@ struct file *anon_inode_getfile(const char *name, | |||
129 | atomic_inc(&anon_inode_inode->i_count); | 118 | atomic_inc(&anon_inode_inode->i_count); |
130 | 119 | ||
131 | path.dentry->d_op = &anon_inodefs_dentry_operations; | 120 | path.dentry->d_op = &anon_inodefs_dentry_operations; |
132 | /* Do not publish this dentry inside the global dentry hash table */ | ||
133 | path.dentry->d_flags &= ~DCACHE_UNHASHED; | ||
134 | d_instantiate(path.dentry, anon_inode_inode); | 121 | d_instantiate(path.dentry, anon_inode_inode); |
135 | 122 | ||
136 | error = -ENFILE; | 123 | error = -ENFILE; |
@@ -906,17 +906,6 @@ void free_pipe_info(struct inode *inode) | |||
906 | } | 906 | } |
907 | 907 | ||
908 | static struct vfsmount *pipe_mnt __read_mostly; | 908 | static struct vfsmount *pipe_mnt __read_mostly; |
909 | static int pipefs_delete_dentry(struct dentry *dentry) | ||
910 | { | ||
911 | /* | ||
912 | * At creation time, we pretended this dentry was hashed | ||
913 | * (by clearing DCACHE_UNHASHED bit in d_flags) | ||
914 | * At delete time, we restore the truth : not hashed. | ||
915 | * (so that dput() can proceed correctly) | ||
916 | */ | ||
917 | dentry->d_flags |= DCACHE_UNHASHED; | ||
918 | return 0; | ||
919 | } | ||
920 | 909 | ||
921 | /* | 910 | /* |
922 | * pipefs_dname() is called from d_path(). | 911 | * pipefs_dname() is called from d_path(). |
@@ -928,7 +917,6 @@ static char *pipefs_dname(struct dentry *dentry, char *buffer, int buflen) | |||
928 | } | 917 | } |
929 | 918 | ||
930 | static const struct dentry_operations pipefs_dentry_operations = { | 919 | static const struct dentry_operations pipefs_dentry_operations = { |
931 | .d_delete = pipefs_delete_dentry, | ||
932 | .d_dname = pipefs_dname, | 920 | .d_dname = pipefs_dname, |
933 | }; | 921 | }; |
934 | 922 | ||
@@ -989,12 +977,6 @@ struct file *create_write_pipe(int flags) | |||
989 | path.mnt = mntget(pipe_mnt); | 977 | path.mnt = mntget(pipe_mnt); |
990 | 978 | ||
991 | path.dentry->d_op = &pipefs_dentry_operations; | 979 | path.dentry->d_op = &pipefs_dentry_operations; |
992 | /* | ||
993 | * We dont want to publish this dentry into global dentry hash table. | ||
994 | * We pretend dentry is already hashed, by unsetting DCACHE_UNHASHED | ||
995 | * This permits a working /proc/$pid/fd/XXX on pipes | ||
996 | */ | ||
997 | path.dentry->d_flags &= ~DCACHE_UNHASHED; | ||
998 | d_instantiate(path.dentry, inode); | 980 | d_instantiate(path.dentry, inode); |
999 | 981 | ||
1000 | err = -ENFILE; | 982 | err = -ENFILE; |
diff --git a/net/socket.c b/net/socket.c index dbfdfa96d29b..769c386bd428 100644 --- a/net/socket.c +++ b/net/socket.c | |||
@@ -312,18 +312,6 @@ static struct file_system_type sock_fs_type = { | |||
312 | .kill_sb = kill_anon_super, | 312 | .kill_sb = kill_anon_super, |
313 | }; | 313 | }; |
314 | 314 | ||
315 | static int sockfs_delete_dentry(struct dentry *dentry) | ||
316 | { | ||
317 | /* | ||
318 | * At creation time, we pretended this dentry was hashed | ||
319 | * (by clearing DCACHE_UNHASHED bit in d_flags) | ||
320 | * At delete time, we restore the truth : not hashed. | ||
321 | * (so that dput() can proceed correctly) | ||
322 | */ | ||
323 | dentry->d_flags |= DCACHE_UNHASHED; | ||
324 | return 0; | ||
325 | } | ||
326 | |||
327 | /* | 315 | /* |
328 | * sockfs_dname() is called from d_path(). | 316 | * sockfs_dname() is called from d_path(). |
329 | */ | 317 | */ |
@@ -334,7 +322,6 @@ static char *sockfs_dname(struct dentry *dentry, char *buffer, int buflen) | |||
334 | } | 322 | } |
335 | 323 | ||
336 | static const struct dentry_operations sockfs_dentry_operations = { | 324 | static const struct dentry_operations sockfs_dentry_operations = { |
337 | .d_delete = sockfs_delete_dentry, | ||
338 | .d_dname = sockfs_dname, | 325 | .d_dname = sockfs_dname, |
339 | }; | 326 | }; |
340 | 327 | ||
@@ -374,12 +361,6 @@ static int sock_alloc_file(struct socket *sock, struct file **f, int flags) | |||
374 | path.mnt = mntget(sock_mnt); | 361 | path.mnt = mntget(sock_mnt); |
375 | 362 | ||
376 | path.dentry->d_op = &sockfs_dentry_operations; | 363 | path.dentry->d_op = &sockfs_dentry_operations; |
377 | /* | ||
378 | * We dont want to push this dentry into global dentry hash table. | ||
379 | * We pretend dentry is already hashed, by unsetting DCACHE_UNHASHED | ||
380 | * This permits a working /proc/$pid/fd/XXX on sockets | ||
381 | */ | ||
382 | path.dentry->d_flags &= ~DCACHE_UNHASHED; | ||
383 | d_instantiate(path.dentry, SOCK_INODE(sock)); | 364 | d_instantiate(path.dentry, SOCK_INODE(sock)); |
384 | SOCK_INODE(sock)->i_fop = &socket_file_ops; | 365 | SOCK_INODE(sock)->i_fop = &socket_file_ops; |
385 | 366 | ||