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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-02 09:28:37 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-02 09:28:37 -0700 |
commit | 63580e51bb3e7ec459501165884e5f815a7a9322 (patch) | |
tree | 2130de984dda95996bc7922734feb465a13fca70 /fs/reiserfs/dir.c | |
parent | 7747bd4bceb3079572695d3942294a6c7b265557 (diff) | |
parent | ac6614b76478e68173ccf7ad4e9e98035cc9c21d (diff) | |
download | linux-stable-63580e51bb3e7ec459501165884e5f815a7a9322.tar.gz linux-stable-63580e51bb3e7ec459501165884e5f815a7a9322.tar.bz2 linux-stable-63580e51bb3e7ec459501165884e5f815a7a9322.zip |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull VFS patches (part 1) from Al Viro:
"The major change in this pile is ->readdir() replacement with
->iterate(), dealing with ->f_pos races in ->readdir() instances for
good.
There's a lot more, but I'd prefer to split the pull request into
several stages and this is the first obvious cutoff point."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (67 commits)
[readdir] constify ->actor
[readdir] ->readdir() is gone
[readdir] convert ecryptfs
[readdir] convert coda
[readdir] convert ocfs2
[readdir] convert fatfs
[readdir] convert xfs
[readdir] convert btrfs
[readdir] convert hostfs
[readdir] convert afs
[readdir] convert ncpfs
[readdir] convert hfsplus
[readdir] convert hfs
[readdir] convert befs
[readdir] convert cifs
[readdir] convert freevxfs
[readdir] convert fuse
[readdir] convert hpfs
reiserfs: switch reiserfs_readdir_dentry to inode
reiserfs: is_privroot_deh() needs only directory inode, actually
...
Diffstat (limited to 'fs/reiserfs/dir.c')
-rw-r--r-- | fs/reiserfs/dir.c | 36 |
1 files changed, 15 insertions, 21 deletions
diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c index 6c2d136561cb..03e4ca5624d6 100644 --- a/fs/reiserfs/dir.c +++ b/fs/reiserfs/dir.c @@ -13,14 +13,14 @@ extern const struct reiserfs_key MIN_KEY; -static int reiserfs_readdir(struct file *, void *, filldir_t); +static int reiserfs_readdir(struct file *, struct dir_context *); static int reiserfs_dir_fsync(struct file *filp, loff_t start, loff_t end, int datasync); const struct file_operations reiserfs_dir_operations = { .llseek = generic_file_llseek, .read = generic_read_dir, - .readdir = reiserfs_readdir, + .iterate = reiserfs_readdir, .fsync = reiserfs_dir_fsync, .unlocked_ioctl = reiserfs_ioctl, #ifdef CONFIG_COMPAT @@ -50,18 +50,15 @@ static int reiserfs_dir_fsync(struct file *filp, loff_t start, loff_t end, #define store_ih(where,what) copy_item_head (where, what) -static inline bool is_privroot_deh(struct dentry *dir, - struct reiserfs_de_head *deh) +static inline bool is_privroot_deh(struct inode *dir, struct reiserfs_de_head *deh) { - struct dentry *privroot = REISERFS_SB(dir->d_sb)->priv_root; - return (dir == dir->d_parent && privroot->d_inode && + struct dentry *privroot = REISERFS_SB(dir->i_sb)->priv_root; + return (privroot->d_inode && deh->deh_objectid == INODE_PKEY(privroot->d_inode)->k_objectid); } -int reiserfs_readdir_dentry(struct dentry *dentry, void *dirent, - filldir_t filldir, loff_t *pos) +int reiserfs_readdir_inode(struct inode *inode, struct dir_context *ctx) { - struct inode *inode = dentry->d_inode; struct cpu_key pos_key; /* key of current position in the directory (key of directory entry) */ INITIALIZE_PATH(path_to_entry); struct buffer_head *bh; @@ -81,7 +78,7 @@ int reiserfs_readdir_dentry(struct dentry *dentry, void *dirent, /* form key for search the next directory entry using f_pos field of file structure */ - make_cpu_key(&pos_key, inode, *pos ?: DOT_OFFSET, TYPE_DIRENTRY, 3); + make_cpu_key(&pos_key, inode, ctx->pos ?: DOT_OFFSET, TYPE_DIRENTRY, 3); next_pos = cpu_key_k_offset(&pos_key); path_to_entry.reada = PATH_READA; @@ -126,7 +123,6 @@ int reiserfs_readdir_dentry(struct dentry *dentry, void *dirent, entry_num++, deh++) { int d_reclen; char *d_name; - off_t d_off; ino_t d_ino; if (!de_visible(deh)) @@ -155,11 +151,10 @@ int reiserfs_readdir_dentry(struct dentry *dentry, void *dirent, } /* Ignore the .reiserfs_priv entry */ - if (is_privroot_deh(dentry, deh)) + if (is_privroot_deh(inode, deh)) continue; - d_off = deh_offset(deh); - *pos = d_off; + ctx->pos = deh_offset(deh); d_ino = deh_objectid(deh); if (d_reclen <= 32) { local_buf = small_buf; @@ -187,9 +182,9 @@ int reiserfs_readdir_dentry(struct dentry *dentry, void *dirent, * the write lock here for other waiters */ reiserfs_write_unlock(inode->i_sb); - if (filldir - (dirent, local_buf, d_reclen, d_off, d_ino, - DT_UNKNOWN) < 0) { + if (!dir_emit + (ctx, local_buf, d_reclen, d_ino, + DT_UNKNOWN)) { reiserfs_write_lock(inode->i_sb); if (local_buf != small_buf) { kfree(local_buf); @@ -237,7 +232,7 @@ int reiserfs_readdir_dentry(struct dentry *dentry, void *dirent, } /* while */ end: - *pos = next_pos; + ctx->pos = next_pos; pathrelse(&path_to_entry); reiserfs_check_path(&path_to_entry); out: @@ -245,10 +240,9 @@ out: return ret; } -static int reiserfs_readdir(struct file *file, void *dirent, filldir_t filldir) +static int reiserfs_readdir(struct file *file, struct dir_context *ctx) { - struct dentry *dentry = file->f_path.dentry; - return reiserfs_readdir_dentry(dentry, dirent, filldir, &file->f_pos); + return reiserfs_readdir_inode(file_inode(file), ctx); } /* compose directory item containing "." and ".." entries (entries are |