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author | Jakub Kicinski <kuba@kernel.org> | 2024-03-22 02:14:13 +0300 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-22 02:15:08 +0300 |
commit | 537c2e91d3549e5d6020bb0576cf9b54a845255f (patch) | |
tree | c09e8a1b7d733cde19b0c72678c28fb2bc97ff6b /fs/smb/client/misc.c | |
parent | 237bb5f7f7f55ec5f773469a974c61a49c298625 (diff) | |
parent | cba9ffdb9913dfe6be29f049ce920ce451ce7cc4 (diff) | |
download | linux-537c2e91d3549e5d6020bb0576cf9b54a845255f.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'fs/smb/client/misc.c')
-rw-r--r-- | fs/smb/client/misc.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/fs/smb/client/misc.c b/fs/smb/client/misc.c index 0748d7b757b9..9428a0db7718 100644 --- a/fs/smb/client/misc.c +++ b/fs/smb/client/misc.c @@ -853,6 +853,40 @@ cifs_close_deferred_file_under_dentry(struct cifs_tcon *tcon, const char *path) free_dentry_path(page); } +/* + * If a dentry has been deleted, all corresponding open handles should know that + * so that we do not defer close them. + */ +void cifs_mark_open_handles_for_deleted_file(struct inode *inode, + const char *path) +{ + struct cifsFileInfo *cfile; + void *page; + const char *full_path; + struct cifsInodeInfo *cinode = CIFS_I(inode); + + page = alloc_dentry_path(); + spin_lock(&cinode->open_file_lock); + + /* + * note: we need to construct path from dentry and compare only if the + * inode has any hardlinks. When number of hardlinks is 1, we can just + * mark all open handles since they are going to be from the same file. + */ + if (inode->i_nlink > 1) { + list_for_each_entry(cfile, &cinode->openFileList, flist) { + full_path = build_path_from_dentry(cfile->dentry, page); + if (!IS_ERR(full_path) && strcmp(full_path, path) == 0) + cfile->status_file_deleted = true; + } + } else { + list_for_each_entry(cfile, &cinode->openFileList, flist) + cfile->status_file_deleted = true; + } + spin_unlock(&cinode->open_file_lock); + free_dentry_path(page); +} + /* parses DFS referral V3 structure * caller is responsible for freeing target_nodes * returns: |