From f03b8ad8d38634d13e802165cc15917481b47835 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Tue, 27 Sep 2016 11:03:57 +0200 Subject: fs: support RENAME_NOREPLACE for local filesystems This is trivial to do: - add flags argument to foo_rename() - check if flags doesn't have any other than RENAME_NOREPLACE - assign foo_rename() to .rename2 instead of .rename Filesystems converted: affs, bfs, exofs, ext2, hfs, hfsplus, jffs2, jfs, logfs, minix, msdos, nilfs2, omfs, reiserfs, sysvfs, ubifs, udf, ufs, vfat. Signed-off-by: Miklos Szeredi Acked-by: Boaz Harrosh Acked-by: Richard Weinberger Acked-by: Bob Copeland Acked-by: Jan Kara Cc: Theodore Ts'o Cc: Jaegeuk Kim Cc: OGAWA Hirofumi Cc: Mikulas Patocka Cc: David Woodhouse Cc: Dave Kleikamp Cc: Ryusuke Konishi Cc: Christoph Hellwig --- fs/logfs/dir.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'fs/logfs') diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c index 9568064..57f2da1 100644 --- a/fs/logfs/dir.c +++ b/fs/logfs/dir.c @@ -718,8 +718,12 @@ out: } static int logfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + if (d_really_is_positive(new_dentry)) return logfs_rename_target(old_dir, old_dentry, new_dir, new_dentry); @@ -783,7 +787,7 @@ const struct inode_operations logfs_dir_iops = { .lookup = logfs_lookup, .mkdir = logfs_mkdir, .mknod = logfs_mknod, - .rename = logfs_rename, + .rename2 = logfs_rename, .rmdir = logfs_rmdir, .symlink = logfs_symlink, .unlink = logfs_unlink, -- cgit v1.1 From 2773bf00aeb9bf39e022463272a61dd0ec9f55f4 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Tue, 27 Sep 2016 11:03:58 +0200 Subject: fs: rename "rename2" i_op to "rename" Generated patch: sed -i "s/\.rename2\t/\.rename\t\t/" `git grep -wl rename2` sed -i "s/\brename2\b/rename/g" `git grep -wl rename2` Signed-off-by: Miklos Szeredi --- fs/logfs/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/logfs') diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c index 57f2da1..be37b90 100644 --- a/fs/logfs/dir.c +++ b/fs/logfs/dir.c @@ -787,7 +787,7 @@ const struct inode_operations logfs_dir_iops = { .lookup = logfs_lookup, .mkdir = logfs_mkdir, .mknod = logfs_mknod, - .rename2 = logfs_rename, + .rename = logfs_rename, .rmdir = logfs_rmdir, .symlink = logfs_symlink, .unlink = logfs_unlink, -- cgit v1.1 From 078cd8279e659989b103359bb22373cc79445bde Mon Sep 17 00:00:00 2001 From: Deepa Dinamani Date: Wed, 14 Sep 2016 07:48:04 -0700 Subject: fs: Replace CURRENT_TIME with current_time() for inode timestamps CURRENT_TIME macro is not appropriate for filesystems as it doesn't use the right granularity for filesystem timestamps. Use current_time() instead. CURRENT_TIME is also not y2038 safe. This is also in preparation for the patch that transitions vfs timestamps to use 64 bit time and hence make them y2038 safe. As part of the effort current_time() will be extended to do range checks. Hence, it is necessary for all file system timestamps to use current_time(). Also, current_time() will be transitioned along with vfs to be y2038 safe. Note that whenever a single call to current_time() is used to change timestamps in different inodes, it is because they share the same time granularity. Signed-off-by: Deepa Dinamani Reviewed-by: Arnd Bergmann Acked-by: Felipe Balbi Acked-by: Steven Whitehouse Acked-by: Ryusuke Konishi Acked-by: David Sterba Signed-off-by: Al Viro --- fs/logfs/dir.c | 6 +++--- fs/logfs/file.c | 2 +- fs/logfs/inode.c | 4 ++-- fs/logfs/readwrite.c | 4 ++-- 4 files changed, 8 insertions(+), 8 deletions(-) (limited to 'fs/logfs') diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c index 9568064..a284dd8 100644 --- a/fs/logfs/dir.c +++ b/fs/logfs/dir.c @@ -226,7 +226,7 @@ static int logfs_unlink(struct inode *dir, struct dentry *dentry) ta->state = UNLINK_1; ta->ino = inode->i_ino; - inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME; + inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); page = logfs_get_dd_page(dir, dentry); if (!page) { @@ -540,7 +540,7 @@ static int logfs_link(struct dentry *old_dentry, struct inode *dir, { struct inode *inode = d_inode(old_dentry); - inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME; + inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); ihold(inode); inc_nlink(inode); mark_inode_dirty_sync(inode); @@ -573,7 +573,7 @@ static int logfs_delete_dd(struct inode *dir, loff_t pos) * (crc-protected) journal. */ BUG_ON(beyond_eof(dir, pos)); - dir->i_ctime = dir->i_mtime = CURRENT_TIME; + dir->i_ctime = dir->i_mtime = current_time(dir); log_dir(" Delete dentry (%lx, %llx)\n", dir->i_ino, pos); return logfs_delete(dir, pos, NULL); } diff --git a/fs/logfs/file.c b/fs/logfs/file.c index f01ddfb..dae4f31 100644 --- a/fs/logfs/file.c +++ b/fs/logfs/file.c @@ -211,7 +211,7 @@ long logfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg) li->li_flags = flags; inode_unlock(inode); - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); mark_inode_dirty_sync(inode); return 0; diff --git a/fs/logfs/inode.c b/fs/logfs/inode.c index db9cfc5..f440a15 100644 --- a/fs/logfs/inode.c +++ b/fs/logfs/inode.c @@ -213,8 +213,8 @@ static void logfs_init_inode(struct super_block *sb, struct inode *inode) i_gid_write(inode, 0); inode->i_size = 0; inode->i_blocks = 0; - inode->i_ctime = CURRENT_TIME; - inode->i_mtime = CURRENT_TIME; + inode->i_ctime = current_time(inode); + inode->i_mtime = current_time(inode); li->li_refcount = 1; INIT_LIST_HEAD(&li->li_freeing_list); diff --git a/fs/logfs/readwrite.c b/fs/logfs/readwrite.c index 3fb8c6d..bf19bf4 100644 --- a/fs/logfs/readwrite.c +++ b/fs/logfs/readwrite.c @@ -1546,7 +1546,7 @@ static int __logfs_write_buf(struct inode *inode, struct page *page, long flags) int err; flags |= WF_WRITE | WF_DELETE; - inode->i_ctime = inode->i_mtime = CURRENT_TIME; + inode->i_ctime = inode->i_mtime = current_time(inode); logfs_unpack_index(index, &bix, &level); if (logfs_block(page) && logfs_block(page)->reserved_bytes) @@ -1578,7 +1578,7 @@ static int __logfs_delete(struct inode *inode, struct page *page) long flags = WF_DELETE; int err; - inode->i_ctime = inode->i_mtime = CURRENT_TIME; + inode->i_ctime = inode->i_mtime = current_time(inode); if (page->index < I0_BLOCKS) return logfs_write_direct(inode, page, flags); -- cgit v1.1