diff options
Diffstat (limited to 'fs/cifs/readdir.c')
-rw-r--r-- | fs/cifs/readdir.c | 54 |
1 files changed, 24 insertions, 30 deletions
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 9f51f9bf0292..02a20221e841 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c | |||
@@ -56,35 +56,34 @@ static inline void dump_cifs_file_struct(struct file *file, char *label) | |||
56 | } | 56 | } |
57 | #endif /* DEBUG2 */ | 57 | #endif /* DEBUG2 */ |
58 | 58 | ||
59 | /* Returns one if new inode created (which therefore needs to be hashed) */ | 59 | /* Returns 1 if new inode created, 2 if both dentry and inode were */ |
60 | /* Might check in the future if inode number changed so we can rehash inode */ | 60 | /* Might check in the future if inode number changed so we can rehash inode */ |
61 | static int construct_dentry(struct qstr *qstring, struct file *file, | 61 | static int |
62 | struct inode **ptmp_inode, struct dentry **pnew_dentry) | 62 | construct_dentry(struct qstr *qstring, struct file *file, |
63 | struct inode **ptmp_inode, struct dentry **pnew_dentry, | ||
64 | unsigned long *inum) | ||
63 | { | 65 | { |
64 | struct dentry *tmp_dentry; | 66 | struct dentry *tmp_dentry = NULL; |
65 | struct cifs_sb_info *cifs_sb; | 67 | struct super_block *sb = file->f_path.dentry->d_sb; |
66 | struct cifsTconInfo *pTcon; | ||
67 | int rc = 0; | 68 | int rc = 0; |
68 | 69 | ||
69 | cFYI(1, ("For %s", qstring->name)); | 70 | cFYI(1, ("For %s", qstring->name)); |
70 | cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); | ||
71 | pTcon = cifs_sb->tcon; | ||
72 | 71 | ||
73 | qstring->hash = full_name_hash(qstring->name, qstring->len); | 72 | qstring->hash = full_name_hash(qstring->name, qstring->len); |
74 | tmp_dentry = d_lookup(file->f_path.dentry, qstring); | 73 | tmp_dentry = d_lookup(file->f_path.dentry, qstring); |
75 | if (tmp_dentry) { | 74 | if (tmp_dentry) { |
75 | /* BB: overwrite old name? i.e. tmp_dentry->d_name and | ||
76 | * tmp_dentry->d_name.len?? | ||
77 | */ | ||
76 | cFYI(0, ("existing dentry with inode 0x%p", | 78 | cFYI(0, ("existing dentry with inode 0x%p", |
77 | tmp_dentry->d_inode)); | 79 | tmp_dentry->d_inode)); |
78 | *ptmp_inode = tmp_dentry->d_inode; | 80 | *ptmp_inode = tmp_dentry->d_inode; |
79 | /* BB overwrite old name? i.e. tmp_dentry->d_name and tmp_dentry->d_name.len??*/ | ||
80 | if (*ptmp_inode == NULL) { | 81 | if (*ptmp_inode == NULL) { |
81 | *ptmp_inode = new_inode(file->f_path.dentry->d_sb); | 82 | *ptmp_inode = cifs_new_inode(sb, inum); |
82 | if (*ptmp_inode == NULL) | 83 | if (*ptmp_inode == NULL) |
83 | return rc; | 84 | return rc; |
84 | rc = 1; | 85 | rc = 1; |
85 | } | 86 | } |
86 | if (file->f_path.dentry->d_sb->s_flags & MS_NOATIME) | ||
87 | (*ptmp_inode)->i_flags |= S_NOATIME | S_NOCMTIME; | ||
88 | } else { | 87 | } else { |
89 | tmp_dentry = d_alloc(file->f_path.dentry, qstring); | 88 | tmp_dentry = d_alloc(file->f_path.dentry, qstring); |
90 | if (tmp_dentry == NULL) { | 89 | if (tmp_dentry == NULL) { |
@@ -93,15 +92,14 @@ static int construct_dentry(struct qstr *qstring, struct file *file, | |||
93 | return rc; | 92 | return rc; |
94 | } | 93 | } |
95 | 94 | ||
96 | *ptmp_inode = new_inode(file->f_path.dentry->d_sb); | 95 | if (CIFS_SB(sb)->tcon->nocase) |
97 | if (pTcon->nocase) | ||
98 | tmp_dentry->d_op = &cifs_ci_dentry_ops; | 96 | tmp_dentry->d_op = &cifs_ci_dentry_ops; |
99 | else | 97 | else |
100 | tmp_dentry->d_op = &cifs_dentry_ops; | 98 | tmp_dentry->d_op = &cifs_dentry_ops; |
99 | |||
100 | *ptmp_inode = cifs_new_inode(sb, inum); | ||
101 | if (*ptmp_inode == NULL) | 101 | if (*ptmp_inode == NULL) |
102 | return rc; | 102 | return rc; |
103 | if (file->f_path.dentry->d_sb->s_flags & MS_NOATIME) | ||
104 | (*ptmp_inode)->i_flags |= S_NOATIME | S_NOCMTIME; | ||
105 | rc = 2; | 103 | rc = 2; |
106 | } | 104 | } |
107 | 105 | ||
@@ -842,9 +840,7 @@ static int cifs_get_name_from_search_buf(struct qstr *pqst, | |||
842 | len = strnlen(filename, PATH_MAX); | 840 | len = strnlen(filename, PATH_MAX); |
843 | } | 841 | } |
844 | 842 | ||
845 | /* BB fixme - hash low and high 32 bits if not 64 bit arch BB */ | 843 | *pinum = pFindData->UniqueId; |
846 | if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) | ||
847 | *pinum = pFindData->UniqueId; | ||
848 | } else if (level == SMB_FIND_FILE_DIRECTORY_INFO) { | 844 | } else if (level == SMB_FIND_FILE_DIRECTORY_INFO) { |
849 | FILE_DIRECTORY_INFO *pFindData = | 845 | FILE_DIRECTORY_INFO *pFindData = |
850 | (FILE_DIRECTORY_INFO *)current_entry; | 846 | (FILE_DIRECTORY_INFO *)current_entry; |
@@ -940,20 +936,18 @@ static int cifs_filldir(char *pfindEntry, struct file *file, | |||
940 | if (rc) | 936 | if (rc) |
941 | return rc; | 937 | return rc; |
942 | 938 | ||
943 | rc = construct_dentry(&qstring, file, &tmp_inode, &tmp_dentry); | 939 | /* only these two infolevels return valid inode numbers */ |
940 | if (pCifsF->srch_inf.info_level == SMB_FIND_FILE_UNIX || | ||
941 | pCifsF->srch_inf.info_level == SMB_FIND_FILE_ID_FULL_DIR_INFO) | ||
942 | rc = construct_dentry(&qstring, file, &tmp_inode, &tmp_dentry, | ||
943 | &inum); | ||
944 | else | ||
945 | rc = construct_dentry(&qstring, file, &tmp_inode, &tmp_dentry, | ||
946 | NULL); | ||
947 | |||
944 | if ((tmp_inode == NULL) || (tmp_dentry == NULL)) | 948 | if ((tmp_inode == NULL) || (tmp_dentry == NULL)) |
945 | return -ENOMEM; | 949 | return -ENOMEM; |
946 | 950 | ||
947 | if (rc) { | ||
948 | /* inode created, we need to hash it with right inode number */ | ||
949 | if (inum != 0) { | ||
950 | /* BB fixme - hash the 2 32 quantities bits together if | ||
951 | * necessary BB */ | ||
952 | tmp_inode->i_ino = inum; | ||
953 | } | ||
954 | insert_inode_hash(tmp_inode); | ||
955 | } | ||
956 | |||
957 | /* we pass in rc below, indicating whether it is a new inode, | 951 | /* we pass in rc below, indicating whether it is a new inode, |
958 | so we can figure out whether to invalidate the inode cached | 952 | so we can figure out whether to invalidate the inode cached |
959 | data if the file has changed */ | 953 | data if the file has changed */ |