Messages in this thread Patch in this message | | | From | Dmitry Kasatkin <> | Subject | [PATCH v3 1/1] vfs: iversion truncate bug fix | Date | Thu, 22 Dec 2011 12:54:28 +0200 |
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When a file is truncated with truncate()/ftruncate() and then closed, iversion is not updated. This patch uses ATTR_SIZE flag as an indication to increment iversion.
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> --- fs/attr.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/fs/attr.c b/fs/attr.c index 7ee7ba4..b8f55c4 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -176,6 +176,11 @@ int notify_change(struct dentry * dentry, struct iattr * attr) return -EPERM; } + if ((ia_valid & ATTR_SIZE) && IS_I_VERSION(inode)) { + if (attr->ia_size != inode->i_size) + inode_inc_iversion(inode); + } + if ((ia_valid & ATTR_MODE)) { mode_t amode = attr->ia_mode; /* Flag setting protected by i_mutex */ -- 1.7.4.1
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