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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-21 12:22:37 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-21 12:22:37 -0700 |
commit | 77d913178c248d436a15151be5214ef2bf06a465 (patch) | |
tree | 92c16e294858eab0042abc77389e4bd2f4770264 /fs/ocfs2 | |
parent | 53d2e6976bd4042672ed7b90dfbf4b31635b7dcf (diff) | |
parent | ab73ef46398e2c0159f3a71de834586422d2a44a (diff) | |
download | linux-77d913178c248d436a15151be5214ef2bf06a465.tar.bz2 |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull UDF and quota updates from Jan Kara:
"This contains a rewrite of UDF handling of filename encoding to fix
remaining overflow issues from Andrew Gabbasov and quota changes to
support new Q_[X]GETNEXTQUOTA quotactl for VFS quota formats"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: Fix possible GPF due to uninitialised pointers
ext4: Make Q_GETNEXTQUOTA work for quota in hidden inodes
quota: Forbid Q_GETQUOTA and Q_GETNEXTQUOTA for frozen filesystem
quota: Fix possible races during quota loading
ocfs2: Implement get_next_id()
quota_v2: Implement get_next_id() for V2 quota format
quota: Add support for ->get_nextdqblk() for VFS quota
udf: Merge linux specific translation into CS0 conversion function
udf: Remove struct ustr as non-needed intermediate storage
udf: Use separate buffer for copying split names
udf: Adjust UDF_NAME_LEN to better reflect actual restrictions
udf: Join functions for UTF8 and NLS conversions
udf: Parameterize output length in udf_put_filename
quota: Allow Q_GETQUOTA for frozen filesystem
quota: Fixup comments about return value of Q_[X]GETNEXTQUOTA
Diffstat (limited to 'fs/ocfs2')
-rw-r--r-- | fs/ocfs2/ocfs2_trace.h | 2 | ||||
-rw-r--r-- | fs/ocfs2/quota_global.c | 25 |
2 files changed, 27 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2_trace.h b/fs/ocfs2/ocfs2_trace.h index 6cb019b7c6a8..a52a2dbc064e 100644 --- a/fs/ocfs2/ocfs2_trace.h +++ b/fs/ocfs2/ocfs2_trace.h @@ -2035,6 +2035,8 @@ DEFINE_OCFS2_UINT_INT_EVENT(ocfs2_release_dquot); DEFINE_OCFS2_UINT_INT_EVENT(ocfs2_acquire_dquot); +DEFINE_OCFS2_UINT_INT_EVENT(ocfs2_get_next_id); + DEFINE_OCFS2_UINT_INT_EVENT(ocfs2_mark_dquot_dirty); /* End of trace events for fs/ocfs2/quota_global.c. */ diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index 9c9dd30bc945..91bc674203ed 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -860,6 +860,30 @@ out: return status; } +static int ocfs2_get_next_id(struct super_block *sb, struct kqid *qid) +{ + int type = qid->type; + struct ocfs2_mem_dqinfo *info = sb_dqinfo(sb, type)->dqi_priv; + int status = 0; + + trace_ocfs2_get_next_id(from_kqid(&init_user_ns, *qid), type); + status = ocfs2_lock_global_qf(info, 0); + if (status < 0) + goto out; + status = ocfs2_qinfo_lock(info, 0); + if (status < 0) + goto out_global; + status = qtree_get_next_id(&info->dqi_gi, qid); + ocfs2_qinfo_unlock(info, 0); +out_global: + ocfs2_unlock_global_qf(info, 0); +out: + /* Avoid logging ENOENT since it just means there isn't next ID */ + if (status && status != -ENOENT) + mlog_errno(status); + return status; +} + static int ocfs2_mark_dquot_dirty(struct dquot *dquot) { unsigned long mask = (1 << (DQ_LASTSET_B + QIF_ILIMITS_B)) | @@ -968,4 +992,5 @@ const struct dquot_operations ocfs2_quota_operations = { .write_info = ocfs2_write_info, .alloc_dquot = ocfs2_alloc_dquot, .destroy_dquot = ocfs2_destroy_dquot, + .get_next_id = ocfs2_get_next_id, }; |