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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-02-01 10:58:11 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-02-01 10:58:11 +0100 |
| commit | e2b06d71bd3f50ac7098b3f2492ea95470b713db (patch) | |
| tree | 107c48a9d0782279fde07b6fda44994b96b9ac36 /fs/coredump.c | |
| parent | 1692cd60d999b00a0491692dab0286e6011abd36 (diff) | |
| parent | 18566acac18f5784347bc5fe636a26897d1c963b (diff) | |
| download | linux-e2b06d71bd3f50ac7098b3f2492ea95470b713db.tar.gz linux-e2b06d71bd3f50ac7098b3f2492ea95470b713db.tar.bz2 linux-e2b06d71bd3f50ac7098b3f2492ea95470b713db.zip | |
Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued
Chris Wilson wants the new fence tracepoint added in
commit 8c96c678011eeb1676da18f203e90dea7e0d69d2
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Jan 24 11:57:58 2017 +0000
dma/fence: Export enable-signaling tracepoint for emission by drivers
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'fs/coredump.c')
| -rw-r--r-- | fs/coredump.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/coredump.c b/fs/coredump.c index e525b6017cdf..ae6b05629ca1 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -833,3 +833,21 @@ int dump_align(struct coredump_params *cprm, int align) return mod ? dump_skip(cprm, align - mod) : 1; } EXPORT_SYMBOL(dump_align); + +/* + * Ensures that file size is big enough to contain the current file + * postion. This prevents gdb from complaining about a truncated file + * if the last "write" to the file was dump_skip. + */ +void dump_truncate(struct coredump_params *cprm) +{ + struct file *file = cprm->file; + loff_t offset; + + if (file->f_op->llseek && file->f_op->llseek != no_llseek) { + offset = file->f_op->llseek(file, 0, SEEK_CUR); + if (i_size_read(file->f_mapping->host) < offset) + do_truncate(file->f_path.dentry, offset, 0, file); + } +} +EXPORT_SYMBOL(dump_truncate); |