diff options
author | David S. Miller <davem@davemloft.net> | 2017-04-27 04:39:08 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-04-27 04:39:08 +0200 |
commit | b1513c35317c106a1588f3ab32f6888f0e2afd71 (patch) | |
tree | b2cd68a0d34dd04eb89fcf28e173e5ee22f898fd /fs | |
parent | virtio-net: on tx, only call napi_disable if tx napi is on (diff) | |
parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc (diff) | |
download | linux-b1513c35317c106a1588f3ab32f6888f0e2afd71.tar.xz linux-b1513c35317c106a1588f3ab32f6888f0e2afd71.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/stat.c | 13 | ||||
-rw-r--r-- | fs/ubifs/debug.c | 10 | ||||
-rw-r--r-- | fs/ubifs/dir.c | 18 |
3 files changed, 25 insertions, 16 deletions
diff --git a/fs/stat.c b/fs/stat.c index c6c963b2546b..3d85747bd86e 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -547,13 +547,13 @@ cp_statx(const struct kstat *stat, struct statx __user *buffer) /** * sys_statx - System call to get enhanced stats * @dfd: Base directory to pathwalk from *or* fd to stat. - * @filename: File to stat *or* NULL. + * @filename: File to stat or "" with AT_EMPTY_PATH * @flags: AT_* flags to control pathwalk. * @mask: Parts of statx struct actually required. * @buffer: Result buffer. * - * Note that if filename is NULL, then it does the equivalent of fstat() using - * dfd to indicate the file of interest. + * Note that fstat() can be emulated by setting dfd to the fd of interest, + * supplying "" as the filename and setting AT_EMPTY_PATH in the flags. */ SYSCALL_DEFINE5(statx, int, dfd, const char __user *, filename, unsigned, flags, @@ -567,11 +567,10 @@ SYSCALL_DEFINE5(statx, return -EINVAL; if ((flags & AT_STATX_SYNC_TYPE) == AT_STATX_SYNC_TYPE) return -EINVAL; + if (!filename) + return -EINVAL; - if (filename) - error = vfs_statx(dfd, filename, flags, &stat, mask); - else - error = vfs_statx_fd(dfd, &stat, mask, flags); + error = vfs_statx(dfd, filename, flags, &stat, mask); if (error) return error; diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c index 1e712a364680..718b749fa11a 100644 --- a/fs/ubifs/debug.c +++ b/fs/ubifs/debug.c @@ -32,6 +32,7 @@ #include <linux/math64.h> #include <linux/uaccess.h> #include <linux/random.h> +#include <linux/ctype.h> #include "ubifs.h" static DEFINE_SPINLOCK(dbg_lock); @@ -286,8 +287,10 @@ void ubifs_dump_inode(struct ubifs_info *c, const struct inode *inode) break; } - pr_err("\t%d: %s (%s)\n", - count++, dent->name, get_dent_type(dent->type)); + pr_err("\t%d: inode %llu, type %s, len %d\n", + count++, (unsigned long long) le64_to_cpu(dent->inum), + get_dent_type(dent->type), + le16_to_cpu(dent->nlen)); fname_name(&nm) = dent->name; fname_len(&nm) = le16_to_cpu(dent->nlen); @@ -464,7 +467,8 @@ void ubifs_dump_node(const struct ubifs_info *c, const void *node) pr_err("(bad name length, not printing, bad or corrupted node)"); else { for (i = 0; i < nlen && dent->name[i]; i++) - pr_cont("%c", dent->name[i]); + pr_cont("%c", isprint(dent->name[i]) ? + dent->name[i] : '?'); } pr_cont("\n"); diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index 30825d882aa9..b777bddaa1dd 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -606,8 +606,8 @@ static int ubifs_readdir(struct file *file, struct dir_context *ctx) } while (1) { - dbg_gen("feed '%s', ino %llu, new f_pos %#x", - dent->name, (unsigned long long)le64_to_cpu(dent->inum), + dbg_gen("ino %llu, new f_pos %#x", + (unsigned long long)le64_to_cpu(dent->inum), key_hash_flash(c, &dent->key)); ubifs_assert(le64_to_cpu(dent->ch.sqnum) > ubifs_inode(dir)->creat_sqnum); @@ -748,6 +748,11 @@ static int ubifs_link(struct dentry *old_dentry, struct inode *dir, goto out_fname; lock_2_inodes(dir, inode); + + /* Handle O_TMPFILE corner case, it is allowed to link a O_TMPFILE. */ + if (inode->i_nlink == 0) + ubifs_delete_orphan(c, inode->i_ino); + inc_nlink(inode); ihold(inode); inode->i_ctime = ubifs_current_time(inode); @@ -768,6 +773,8 @@ out_cancel: dir->i_size -= sz_change; dir_ui->ui_size = dir->i_size; drop_nlink(inode); + if (inode->i_nlink == 0) + ubifs_add_orphan(c, inode->i_ino); unlock_2_inodes(dir, inode); ubifs_release_budget(c, &req); iput(inode); @@ -1068,8 +1075,10 @@ static int ubifs_mknod(struct inode *dir, struct dentry *dentry, } err = fscrypt_setup_filename(dir, &dentry->d_name, 0, &nm); - if (err) + if (err) { + kfree(dev); goto out_budg; + } sz_change = CALC_DENT_SIZE(fname_len(&nm)); @@ -1316,9 +1325,6 @@ static int do_rename(struct inode *old_dir, struct dentry *old_dentry, unsigned int uninitialized_var(saved_nlink); struct fscrypt_name old_nm, new_nm; - if (flags & ~RENAME_NOREPLACE) - return -EINVAL; - /* * Budget request settings: deletion direntry, new direntry, removing * the old inode, and changing old and new parent directory inodes. |