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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/ufs/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/ufs/dir.c')
-rw-r--r-- | fs/ufs/dir.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c index 3a75ca09c506..0ecc2cebed8f 100644 --- a/fs/ufs/dir.c +++ b/fs/ufs/dir.c @@ -430,16 +430,16 @@ ufs_validate_entry(struct super_block *sb, char *base, * This is blatantly stolen from ext2fs */ static int -ufs_readdir(struct file *filp, void *dirent, filldir_t filldir) +ufs_readdir(struct file *file, struct dir_context *ctx) { - loff_t pos = filp->f_pos; - struct inode *inode = file_inode(filp); + loff_t pos = ctx->pos; + struct inode *inode = file_inode(file); struct super_block *sb = inode->i_sb; unsigned int offset = pos & ~PAGE_CACHE_MASK; unsigned long n = pos >> PAGE_CACHE_SHIFT; unsigned long npages = ufs_dir_pages(inode); unsigned chunk_mask = ~(UFS_SB(sb)->s_uspi->s_dirblksize - 1); - int need_revalidate = filp->f_version != inode->i_version; + int need_revalidate = file->f_version != inode->i_version; unsigned flags = UFS_SB(sb)->s_flags; UFSD("BEGIN\n"); @@ -457,16 +457,16 @@ ufs_readdir(struct file *filp, void *dirent, filldir_t filldir) ufs_error(sb, __func__, "bad page in #%lu", inode->i_ino); - filp->f_pos += PAGE_CACHE_SIZE - offset; + ctx->pos += PAGE_CACHE_SIZE - offset; return -EIO; } kaddr = page_address(page); if (unlikely(need_revalidate)) { if (offset) { offset = ufs_validate_entry(sb, kaddr, offset, chunk_mask); - filp->f_pos = (n<<PAGE_CACHE_SHIFT) + offset; + ctx->pos = (n<<PAGE_CACHE_SHIFT) + offset; } - filp->f_version = inode->i_version; + file->f_version = inode->i_version; need_revalidate = 0; } de = (struct ufs_dir_entry *)(kaddr+offset); @@ -479,11 +479,8 @@ ufs_readdir(struct file *filp, void *dirent, filldir_t filldir) return -EIO; } if (de->d_ino) { - int over; unsigned char d_type = DT_UNKNOWN; - offset = (char *)de - kaddr; - UFSD("filldir(%s,%u)\n", de->d_name, fs32_to_cpu(sb, de->d_ino)); UFSD("namlen %u\n", ufs_get_de_namlen(sb, de)); @@ -491,16 +488,15 @@ ufs_readdir(struct file *filp, void *dirent, filldir_t filldir) if ((flags & UFS_DE_MASK) == UFS_DE_44BSD) d_type = de->d_u.d_44.d_type; - over = filldir(dirent, de->d_name, + if (!dir_emit(ctx, de->d_name, ufs_get_de_namlen(sb, de), - (n<<PAGE_CACHE_SHIFT) | offset, - fs32_to_cpu(sb, de->d_ino), d_type); - if (over) { + fs32_to_cpu(sb, de->d_ino), + d_type)) { ufs_put_page(page); return 0; } } - filp->f_pos += fs16_to_cpu(sb, de->d_reclen); + ctx->pos += fs16_to_cpu(sb, de->d_reclen); } ufs_put_page(page); } @@ -660,7 +656,7 @@ not_empty: const struct file_operations ufs_dir_operations = { .read = generic_read_dir, - .readdir = ufs_readdir, + .iterate = ufs_readdir, .fsync = generic_file_fsync, .llseek = generic_file_llseek, }; |