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| author | Joe Perches <joe@perches.com> | 2012-03-19 23:15:43 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2012-03-19 23:15:43 -0400 |
| commit | d9ee81da93e86ac45aef30b2493a1e68fc71b9d0 (patch) | |
| tree | 0c6716d701f2d469ea61e206b6d845e77f185eb4 /fs | |
| parent | 1084f252e3490392575b80cbdfa1baf0842173d8 (diff) | |
| download | blackbird-op-linux-d9ee81da93e86ac45aef30b2493a1e68fc71b9d0.tar.gz blackbird-op-linux-d9ee81da93e86ac45aef30b2493a1e68fc71b9d0.zip | |
ext4: avoid output message interleaving in ext4_error_<foo>()
Using KERN_CONT means that messages from multiple threads may be
interleaved. Avoid this by using a single printk call in
ext4_error_inode and ext4_error_file.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/super.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 25b1f0374f01..11dfaad232cf 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -515,11 +515,16 @@ void ext4_error_inode(struct inode *inode, const char *function, va_start(args, fmt); vaf.fmt = fmt; vaf.va = &args; - printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: inode #%lu: ", - inode->i_sb->s_id, function, line, inode->i_ino); if (block) - printk(KERN_CONT "block %llu: ", block); - printk(KERN_CONT "comm %s: %pV\n", current->comm, &vaf); + printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: " + "inode #%lu: block %llu: comm %s: %pV\n", + inode->i_sb->s_id, function, line, inode->i_ino, + block, current->comm, &vaf); + else + printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: " + "inode #%lu: comm %s: %pV\n", + inode->i_sb->s_id, function, line, inode->i_ino, + current->comm, &vaf); va_end(args); ext4_handle_error(inode->i_sb); @@ -541,15 +546,21 @@ void ext4_error_file(struct file *file, const char *function, path = d_path(&(file->f_path), pathname, sizeof(pathname)); if (IS_ERR(path)) path = "(unknown)"; - printk(KERN_CRIT - "EXT4-fs error (device %s): %s:%d: inode #%lu: ", - inode->i_sb->s_id, function, line, inode->i_ino); - if (block) - printk(KERN_CONT "block %llu: ", block); va_start(args, fmt); vaf.fmt = fmt; vaf.va = &args; - printk(KERN_CONT "comm %s: path %s: %pV\n", current->comm, path, &vaf); + if (block) + printk(KERN_CRIT + "EXT4-fs error (device %s): %s:%d: inode #%lu: " + "block %llu: comm %s: path %s: %pV\n", + inode->i_sb->s_id, function, line, inode->i_ino, + block, current->comm, path, &vaf); + else + printk(KERN_CRIT + "EXT4-fs error (device %s): %s:%d: inode #%lu: " + "comm %s: path %s: %pV\n", + inode->i_sb->s_id, function, line, inode->i_ino, + current->comm, path, &vaf); va_end(args); ext4_handle_error(inode->i_sb); |
